2024-05-11 | Two rods each of mass \(m\) and length \(\ell\) are joined at the centre to form a cross. The mo.... | 1:40 | 4 | |
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2024-05-11 | By the theorem of perpendicular axes, if a body be in \(X-Z-\) plane then:.... | 1:47 | 0 | |
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2024-05-11 | A wheel starts rotating from rest and attains an angular velocity of \(60 \mathrm{rad} / \mathrm.... | 2:23 | 3 | |
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2024-05-11 | Figure shows a small wheel fixed coaxially on a bigger one of double the radius. The system rota.... | 2:17 | 1 | Show |
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2024-05-11 | A body is in pure rotation. The linear speed \(v\) of a particle, the distance \(r\) of the part.... | 1:33 | 6 | |
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2024-05-11 | State the law of conservation of angular momentum and prove that torque is given by the product .... | 7:22 | 1 | |
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2024-05-11 | Four masses are fixed on a massless rod as shown in fig. The moment of inertia about the axis \(.... | 1:33 | 0 | Show |
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2024-05-11 | A particle is moving with a constant angular velocity about an exterior axis. Its linear velocit.... | 1:45 | 5 | |
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2024-05-11 | The linear and angular acceleration of a particle are \(10 \mathrm{~m} / \mathrm{sec}^{2}\) and .... | 1:17 | 1 | |
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2024-05-11 | Obtain an expression for the instantaneous power of a particle in terms of torque \((\tau)\) and.... | 3:44 | 2 | |
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2024-05-11 | Two bodies of mass \(10 \mathrm{~kg}\) and \(5 \mathrm{~kg}\) moving in concentric orbits of rad.... | 1:50 | 0 | |
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2024-05-11 | Do the comparison between translational motion and rotational motion by making a list of variabl.... | 2:46 | 2 | |
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2024-05-11 | Give the expression for the total kinetic energy of a rigid body rolling down an inclined plane .... | 2:03 | 1 | |
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2024-05-11 | Define moment of inertia of a rigid body.... | 3:20 | 5 | |
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2024-05-11 | What is the relation between moment of inertia (I), angular momentum (L) and angular velocity \(.... | 1:49 | 0 | |
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2024-05-11 | Which physical quantity is expressed by the rate of change of angular velocity?.... | 1:30 | 0 | |
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2024-05-11 | Which rule is used to determine the direction of torque?.... | 1:44 | 0 | |
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2024-05-11 | Name the physical quantity, which is conserved when no external torque acts on a body. .... | 1:12 | 0 | |
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2024-05-11 | If a point \(A(x, y)\) lies in the region bounded by the \(y\)-axis, straight lines 2y+x=6 .... | 7:23 | 0 | |
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2024-05-11 | The cross product of two vectors is zero. What is the angle between them? .... | 1:38 | 1 | |
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2024-05-11 | Assertion: When a rigid body rotates about any fixed axis, then all the particles of it move in .... | 1:24 | 0 | |
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2024-05-11 | Assertion: If angular momentum of an object is constant about a point, then net torque on it abo.... | 1:31 | 0 | |
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2024-05-11 | A number is chosen at random from the set {1,2,3…,2000}. Let \(\mathrm{p}\) be the probab.... | 7:55 | 1 | |
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2024-05-11 | The moment of inertia of a body depends o.... | 0:59 | 1 | |
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2024-05-11 | A horizontal disc rotating freely about a vertical axis through its centre makes 90 revolutions .... | 3:59 | 1 | |
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2024-05-11 | A hollow sphere of mass \(1 \mathrm{~kg}\) and radius \(10 \mathrm{~cm}\) is free to rotate abou.... | 2:44 | 1 | |
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2024-05-11 | A quarter disc of radius \(R\) and mass \(m\) is rotating about the axis \(O O^{\prime}\) (perpe.... | 1:21 | 0 | |
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2024-05-11 | A force \(\vec{F}=(2 \hat{i}+3 \hat{j}-5 \hat{k}) \mathrm{N}\) acts at a point \(\vec{r}_{1}=(2 .... | 3:31 | 1 | |
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2024-05-11 | Let \(N\) denotes the sum of the numbers obtained when two dice are rolled. If the probability t.... | 6:30 | 1 | |
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2024-05-11 | If two discs of moment of inertia \(I_{1}\) and \(I_{2}\) rotating about collinear axis passing .... | 1:46 | 0 | |
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2024-05-11 | A swimmer while jumping into river from a height easily form a loop in air if.... | 1:27 | 0 | |
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2024-05-11 | Three rods each of mass \(m\) and length \(L\) are joined to form an equilateral triangle as sho.... | 3:49 | 2 | |
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2024-05-11 | Two equal and opposite forces are applied tangentially to a uniform disc of mass M and radius R .... | 1:37 | 0 | |
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2024-05-11 | With respect to a particular question on a multiple choice test (having 4 alternatives with only.... | 5:22 | 2 | |
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2024-05-11 | Die \(A\) has four red faces and two white faces, dieB has two red and four white faces. A .... | 3:45 | 0 | |
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2024-05-11 | A circular disc is to be made by using iron and aluminium so that it possesses maximum moment of.... | 2:06 | 0 | |
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2024-05-11 | A hotel packed breakfast for each of the three guests. Each breakfast should have consisted of t.... | 3:52 | 3 | |
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2024-05-11 | A jar contains \(2 n\) thoroughly mixed balls, \(n\) white and \(n\) black balls. \(n\) persons .... | 4:03 | 2 | |
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2024-05-11 | A pair of students is selected at random from a probability class. The probability that the pair.... | 2:46 | 5 | |
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2024-05-11 | Integers \(a, b, c\) and \(d\) not necessarily distinct, are chosen independently and at random .... | 2:22 | 0 | |
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2024-05-11 | Let 6p-15x2+(p-5)p2-4p+3x+p-23=0where \(\{y\}\) and \([y]\) denote fractional part function.... | 3:39 | 0 | |
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2024-05-11 | A game is played with a special fair cubic die which has one red side, two blue sides, and three.... | 2:21 | 0 | |
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2024-05-11 | Consider three vectors \(\vec{v}_1=\alpha \hat{i}+\beta \hat{j}+\gamma \hat{k}, \quad \vec{v}_2=.... | 4:11 | 2 | Let's Play |
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2024-05-11 | Consider 4 functions f(x)=x2sin1x,x≠00, x=0,g(x)=x2+1|x+1| h(x)=sgnx2-4x+5&nbs.... | 4:35 | 2 | |
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2024-05-11 | A box contains 15 transistors, 5 of which are defective. An inspector takes out one transistor a.... | 1:28 | 0 | |
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2024-05-11 | If \(A\) and \(B\) are two events such that \(P(B) \neq P \bar{B}\) denotes the event complement.... | 3:43 | 5 | |
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2024-05-11 | Let \(P(E)\) denote the probability of occurrence of event \(E\). If \(A\) and \(B\) are two eve.... | 3:30 | 1 | |
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2024-05-11 | A student has to match three historical events i.e. Dandi March, Quit India Movement and Mahatma.... | 2:47 | 4 | |
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2024-05-11 | Let 0<P(A)<1,0<P(B)<1&P(A∪B)=P(A)+P(B) - P(A)·P(B), then:.... | 1:41 | 1 | |
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2024-05-11 | Let a function f:X→Y is defined where X={0,1,2,3,…,9}, Y={0,1,2,…,1.... | 3:44 | 1 | |
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2024-05-11 | Consider all functions that can be defined from the set \(A=\) {1,2,3} to the setB={1,2,3,4.... | 3:49 | 0 | |
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2024-05-11 | Two numbers \(n_1\) and \(n_2\) are chosen at random (with out replacement) from the set {1.... | 3:12 | 0 | |
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2024-05-11 | A covered basket of flowers has some lilies and roses. In search of rose, Sweety and Shweta alte.... | 8:05 | 3 | |
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2024-05-11 | A student appears for tests I, II and III. The student is successful if he passes either in test.... | 2:18 | 0 | |
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2024-05-11 | Two squares are chosen from the squares of a ordinary chess board. It is given that the selected.... | 3:35 | 1 | |
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2024-05-11 | A bag contains four tickets marked with numbers 112,121 , 211,222 . One ticket is drawn at rando.... | 3:23 | 0 | |
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2024-05-11 | 16 players take part in a tennis tournament. The order of the matches is chosen at random. There.... | 4:41 | 0 | |
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2024-05-11 | Three ordinary and fair dice are rolled simultaneously. The probability of the sum of outcomes b.... | 3:02 | 0 | |
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2024-05-11 | \(A\) and \(B\) are two events such that P(A)=12,P(B)=23. Then which of the following is not cor.... | 2:04 | 0 | |
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2024-05-11 | Three fair dice are rolled once. Given that atleast one of them shows up the face 6 . The chance.... | 6:54 | 3 | Show |
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2024-05-11 | Let S={1,2,3,4,…,10} and f(x)=4(x+1-3-x)x-1.If an element is selected from the set \(.... | 4:47 | 2 | |
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2024-05-11 | For three events \(A, B, C\). Probability that atmost two events happen.... | 2:12 | 4 | |
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2024-05-11 | If \(\mathrm{a}\) and \(\mathrm{b}\) are chosen randomly by throwing a pair of fair dice then th.... | 4:36 | 5 | |
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2024-05-11 | Two integers R and S (not necessarily distinct) are chosen at random between 1 and 100 inclusive.... | 6:00 | 1 | |
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2024-05-11 | A real estate man has eight master keys to open several new houses. Only one master key will ope.... | 4:30 | 2 | |
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2024-05-11 | A determinant is chosen at random from the set of all determinants of order 2 with elements 0 or.... | 2:57 | 2 | |
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2024-05-11 | A purse contains 100 coins of unknown value, a coin drawn at random is found to be a rupee, The .... | 3:11 | 1 | |
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2024-05-11 | A speaks truth in 75% case and B in 80% cases. What is the probability that they contradict each.... | 2:22 | 2 | |
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2024-05-11 | A and B throw with one dice for a stake of Rs. 99/- which is to be won by the player who first t.... | 4:27 | 4 | |
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2024-05-11 | A bag contains 2 white and 4 black balls. A ball is drawn 5 times, each being replaced before an.... | 4:02 | 3 | |
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2024-05-11 | A card is drawn from a well shuffled ordinary deck of 52 -playing cards. The card drawn is found.... | 2:11 | 0 | |
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2024-05-11 | Two cards are drawn from a well shuffled pack of 52 playing cards one by one. If \(\mathrm{A}\) .... | 2:52 | 2 | |
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2024-05-11 | Before a race the chance of three runners, \(\mathrm{A}, \mathrm{B}, \mathrm{C}\) were estimated.... | 4:29 | 0 | |
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2024-05-11 | In a series of 3 independent trials the probability of exactly 2 success is 12 times as la.... | 2:14 | 1 | |
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2024-05-11 | Odds in favour of A's speaking the truth are \(1: 2\) and odds against B's speaking the truth ar.... | 5:18 | 0 | |
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2024-05-11 | A and B having equal skill, are playing a game of best of 5 points. After \(\mathrm{A}\) has won.... | 2:15 | 1 | |
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2024-05-11 | A is one of the 6 horses entered for a race and is to be ridden by one of two jockeys B or C. It.... | 2:27 | 1 | |
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2024-05-11 | \(A\) and \(B\) are two independent events such that P(A¯)=0.7,P(B¯)=a and P(A&cu.... | 2:06 | 5 | |
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2024-05-11 | A fair die is tossed. If the number is odd, find the probability that it is prime is.... | 2:13 | 0 | |
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2024-05-11 | The probabilities of events, A∩B,A,B andA∪B are respectively in \(A . P\). with pro.... | 2:10 | 1 | |
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2024-05-11 | Out of 13 applicants for a job, there are 5 women and 8 men. It is desired to select 2 persons f.... | 2:45 | 5 | |
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2024-05-11 | In drawing of a card from a well shuffled ordinary deck of playing cards the events ‘card .... | 2:28 | 1 | |
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2024-05-11 | A bowl has 6 red marbles and 3 green marbles. The probability that a blind folded person will dr.... | 1:23 | 1 | |
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2024-05-11 | A pair of dice is thrown. If total of numbers turned up on both the dies is 8 , then the probabi.... | 1:19 | 0 | |
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2024-05-11 | A quadratic equation is chosen from the set of all quadratic equations which are unchanged by sq.... | 4:03 | 2 | |
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2024-05-11 | 5 persons entered the lift cabin on the ground floor of an 8 floor building. Suppose that each o.... | 2:33 | 0 | |
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2024-05-11 | The chance that a 13 card combination from a pack of 52 playing cards is dealt to a player in a .... | 2:28 | 0 | |
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2024-05-11 | There are ten prizes, five A’s, three B’s and two C’s, placed in identical sea.... | 2:51 | 0 | |
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2024-05-11 | In a hurdle race, a player has to cross 8 hurdles. The probability that he will clear a hurdle i.... | 5:26 | 3 | |
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2024-05-11 | Three persons A, B and C apply for a job of Manager in a private company. Chances of their selec.... | 6:41 | 1 | |
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2024-05-11 | A couple has 2 children. Find the probability that both are boys, if it is known that the older .... | 2:12 | 3 | |
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2024-05-11 | Two dies are rolled simultaneously. The probability that the sum of the two numbers on the top f.... | 2:30 | 0 | |
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2024-05-11 | Two dice are thrown. Find the probability that the numbers appeared have a sum 9 if it is known .... | 2:19 | 0 | |
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2024-05-11 | A bag contains 3 white, 3 black and 2 red balls. One by one three balls are drawn without replac.... | 2:01 | 1 | |
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2024-05-11 | A can hit a target 4 times in 5 shots, B three times in 4 shots and C twice in 3 shots. They fir.... | 5:01 | 6 | |
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2024-05-11 | A 9 digit number using the digits \(1,2,3,4,5,6,7,8\) and 9 is written randomly without repetiti.... | 2:22 | 4 | |
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2024-05-11 | A black and a red die are rolled together. Find the conditional probability of obtaining the sum.... | 2:47 | 0 | |
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2024-05-11 | The probability that atleast one of the two events \(A\) and \(B\) occurs is 0.15 . If \(A\) and.... | 3:06 | 1 | |
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2024-05-11 | Probabilities of solving a specific problem independently by \(A\) and \(B\) are 12 and 13,.... | 2:43 | 0 | |
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2024-05-11 | A bag contains 4 red and 6 black balls. A ball is drawn at random from the bag, its colour is ob.... | 4:31 | 2 | |
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