Doubtnut

Doubtnut

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Videos:
60,308
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174:13:37:23
India
India

Doubtnut is an Indian YouTube channel which has over 3.91 million subscribers, publishing around 60.31 thousand videos which altogether total more than 17.33 million views.

Created on ● Channel Link: https://www.youtube.com/channel/UCcv7pspGHmM7AOywuLM1ufA



All Counter-Strike: Source Videos by Doubtnut



PublishedVideo TitleDurationViewsCategoryGame
2023-01-04A semicircular lamina of mass m and radius r and centre C. Its center of mass is at a distance x...3:1123Counter-Strike: Source
2023-01-04Calcualte the C.I. on Rs 3,500 at 6% per annum for 3 years, the interest being compounded half-y...2:2723Counter-Strike: Source
2023-01-04A sum of money lent out at C.I. at a certain rate per annum becomes three times of itself in 8 y...4:00122Counter-Strike: Source
2023-01-04The difference between the C.I and the S.I on Rs 8,400 for two years is Rs 21 at the same rate o...1:4526Counter-Strike: Source
2023-01-04निम्न में से कौनसा खनिज में पाया जाता है | 12 | तत्वों के निष्कर्षण के सिद्धांत एवं प्रक्रम | C...1:544Counter-Strike: Source
2023-01-04A sum of money is invested at C.I. payable annually. The amounts of interest in two successive y...4:32122Counter-Strike: Source
2023-01-04A point charge of 0.009 mu C is placed at origin. Calculate intensity of electric field due to t...2:4396Counter-Strike: Source
2023-01-04From Figure C, find out which wave hasa. low pitch and high volumeb. high pitch and low volumec....3:3811Counter-Strike: Source
2023-01-04Compound (A) has molecular formula C_(5)H_(12)O. It liberates H_(2) gas on reaction with Na-Metl...9:550Counter-Strike: Source
2023-01-04निम्न में से किसके लिए निर्माण की मानक एन्थैल्पी शून्य है | 12 | उष्मागतिकी तथा उष्मारसायन | C...2:402Counter-Strike: Source
2023-01-04The time variations of signals are given as in A,B and C. Point out the true statement from the ...2:161Counter-Strike: Source
2023-01-04Huygen was the figure scientist who proposed the idea of wave theory of light he said that the ...2:132Counter-Strike: Source
2023-01-04बिंदु P(1,2,3) से तल 2x-y+z+3=0 पर डाले गए लम्ब का पाद है | 12 | त्रिविमीय ज्यामिति | MATHS | C...2:381Counter-Strike: Source
2023-01-04निम्न यौगिक का IUPAC नाम है {:( CH_3),(|),(CH_3CH_2CH_2CH_2CH_2-CH-C-CH_2CH_3),(||),( CH_3 CH_2C...3:232Counter-Strike: Source
2023-01-04सोडियम निष्कर्षण की कास्टनर विधि में ऐनोड किस धातु का बना होता है | 12 | S -ब्लॉक के तत्व | C...2:015Counter-Strike: Source
2023-01-04The latent heat of fusion of ice is 80 calories per gram at 0^(@)C. What is the freezing point o...4:4130Counter-Strike: Source
2023-01-04The freezing point depression of a 0.109M aq. Solution of formic acid is -0.21^(@)C. Calculate t...3:0222Counter-Strike: Source
2023-01-04The boiling point of an aqueous solution of a non-volatile solute is 100.15^(@)C. What is the fr...3:33124Counter-Strike: Source
2023-01-04The freezing poing of an aqueous solution of a non-electrolyte is -0.14^(@)C. The molality of th...2:152Counter-Strike: Source
2023-01-04Can a triangle have a, two acute, b. two obtuse, and c. two right angles. | 7 | THE TRIANGLE AND...5:421Counter-Strike: Source
2023-01-04निम्नलिखित प्रक्रमों में से किसमें आयरन का ऑक्सीकरण नहींहोता है | 12 | रेडॉक्स अभिक्रियाएँ | C...5:461Counter-Strike: Source
2023-01-04Can an equilateral triangle be a, an acute-,b. a right-, and c. an obtuse-angled triangle ? What...7:324Counter-Strike: Source
2023-01-044.25 ग्राम अमोनिया में उपस्थित अणुओं की संख्या है | 12 | रसायन विज्ञानं की कुछ मूल अवधारणाएँ | C...2:3718Counter-Strike: Source
2023-01-04An alkyl bromide A has molecular formula C_(8)H_(17)Br and four different structures can be draw...6:3419Counter-Strike: Source
2023-01-04Simplify and write in exponential form. a. p^(3)xxp^(5)xxp^(25) b. (-13)^(27)xx(-13)^(13) c. (11...4:0840Counter-Strike: Source
2023-01-04Write the numbers as products of prime numbers in exponential form. a. 432 b. 5000 c. 1568 d. 10...2:524Counter-Strike: Source
2023-01-04Find n if : a. (3^(4))^(5)=(3^(2))^(n) b. 5^(12)=125^(n) c. 7^(2n+4)xx7^(4)=(7^(8))^(2) d. 8^(6)...4:542Counter-Strike: Source
2023-01-04चित्र में एक आदर्श गैस का कार्नो-चक्र प्रदर्शित किया गया है। माना कि प्रक्रमों a to b, b to c, c...5:018Counter-Strike: Source
2023-01-04Find the reciprocal of : c. 11 | 7 | FRACTIONS | MATHS | ICSE | Doubtnut1:0930Counter-Strike: Source
2023-01-04Calculate the number of atoms in each of the following a. 52 mol of He b. 52 u of He c. 52 g of ...2:3024Counter-Strike: Source
2023-01-04Evaluate: c. 4 (5)/(7) xx 3 | 7 | FRACTIONS | MATHS | ICSE | Doubtnut1:3013Counter-Strike: Source
2023-01-04Find: c. 3 (4)/(5) xx (35)/( 38) | 7 | FRACTIONS | MATHS | ICSE | Doubtnut1:236Counter-Strike: Source
2023-01-04भारत के लगभग सभी महानगरों जैसे दिल्ली का मुख्य वातावरणीयप्रदूषक है | 12 | पर्यावरणीय रसायन | C...4:0237Counter-Strike: Source
2023-01-04Comprehension\r\n1\nLet\r\na^((log)_b x)=c\\ w h e r e\\ a ,\\ b ,\\ c\\ &\\ x\\ \nare\r\nparame...7:126VlogCounter-Strike: Source
2023-01-04Let a^((log)_b x)=c\\ w h e r e\\ a ,\\ b ,\\ c\\ &\\ x\\ \nare\nparameters.\nOn the basis of ab...6:460VlogCounter-Strike: Source
2023-01-04Write three equivalent ratios of : a. 4:9 b. 3:8 c. 3:4 d.5:7 | 6 | RATIO AND PROPORTION | MAT...4:3347Counter-Strike: Source
2023-01-04The number of ordered pair (x ,\\ y)\nsatisfying correspondence C_1\nis\n1\nb. 2\nc. 3\nd. 4 | 1...1:570Counter-Strike: Source
2023-01-04Length of minor a r c(A C)i s-\n\na.10pi\nb. \\ 5pi\nc.\\ 40\\ pi/3\nd. 20\\ pi/3 | 11 | TRIGONO...1:570Counter-Strike: Source
2023-01-04If alpha+beta=c\\ w h e r e\\ alpha,betagt0\neach lying between 0\\ a n d\\ pi//2\nand c\nis a c...1:579Let's PlayCounter-Strike: Source
2023-01-04In any triangle A B C ,\\ sin A-cos B=cos C ,\\ \r\nthe angle\\ B\r\nis\r\na.pi/2\r\nb. pi/3\r\...5:421Counter-Strike: Source
2023-01-04If a!=b!=c\\ a n d\\ |{:(a, b, c), (a^2,b^2,c^2), (b+c, c+a, a+b):}|=0\nthen\na+b+c=0\nb. a b+b ...2:558Counter-Strike: Source
2023-01-04Give IUPAC name for each of the following CH-=C-CH_(2)-CH_(2)-CH_(2)OH | 12 | NOMENCLATURE | C...1:320Counter-Strike: Source
2023-01-04Give IUPAC name for each of the following {:(CHO),( |),((CH_(3))_(2)-C-CH_(2)OH):} | 12 | NOMENC...2:220Counter-Strike: Source
2023-01-04Evaluate the following : {:(a.,|20 - 9|,b.,|16-7|),(c.,|3-(9-1)|,d.,|15-(20 - 11)|),(e.,|21 - (3...2:477Counter-Strike: Source
2023-01-04Fill the blanks with lt, gt sign : {:(a.,-4 ______-9,b.,-12_______-3,c.,-5________3),(d.,8______...2:251Counter-Strike: Source
2023-01-04D (+) Glucose has melting point 146^@C and specific rotation [alpha]_(D)^(25) is + 112^@C. Anoth...4:1216Let's PlayCounter-Strike: Source
2023-01-04Evaluate: a. 24-:3-:2 b. 72-:2-:4-:3 c. 15xx4-:5-:3-:2 d. 21xx2xx3-:7-:6 108-:3-:2-:6-:3 | 6 | W...5:280Counter-Strike: Source
2023-01-04Write the successors of a. 2350700 b. 32100909 c. 89999 | 6 | WHOLE NUMBERS | MATHS | ICSE | Dou...3:134Counter-Strike: Source
2023-01-04Evaluate: 7+9+5+4 in the order specified: a. add the first two terms, add the last two terms and...3:242Counter-Strike: Source
2022-02-05The vertices of a DeltaABC are A(3, 8), B(-1, 2) and C(6, 6). Find :(i) Slope of BC.(ii) Equatio...4:3429Counter-Strike: Source
2022-02-05निम्नलिखित के IUPAC नाम लिखिए(i) CH_(3)CONH_(2) (ii) (CH_(3))_(2) CHCH_(2) COCl (iii) CH_(3)-O-C...7:349Counter-Strike: Source
2022-02-05In each of the following figure. O is the centre of the circle. Find the values of a,b and c. | ...4:29374Counter-Strike: Source
2022-02-05Given : CP is bisector of angle C of DeltaABC.Prove : P is equidistant from AC and BC. | 10 | LO...5:152Counter-Strike: Source
2022-02-05On a graph paper, plot the triangle ABC, whose vertices areat the points A (3,1) , B (5,0) and C...4:225,408Counter-Strike: Source
2022-02-05If a,b and c are in A.P. and also in G.P., show that : a=b=c. | 10 | GEOMETRIC PROGRESSION | M...3:0120ShowCounter-Strike: Source
2022-02-05Let A=[{:(,4,-2),(,6,-3):}], B=[{:(,0,2),(,1,-1):}] and C=[{:(,-2,3),(,1,-1):}]. Find A^2-A+BC. ...8:314Counter-Strike: Source
2022-02-05State with reason, whether the following are true of false. A, B and C are matrices of order 2 x...2:071Counter-Strike: Source
2022-02-05Given A=[{:(,2,-1),(,2,0):}], B=[{:(,-3,2),(,4,0):}] and C=[{:(,1,0),(,0,2):}], Find the matrix ...2:4719Counter-Strike: Source
2022-02-05If [{:(,a,3),(,4,1):}]+[{:(,2,b),(,1,-2):}]-[{:(,1,1),(,-2,c):}] =[{:(,5,0),(,7,3):}] find the v...3:071Counter-Strike: Source
2022-02-05If A=[{:(,1,3),(,3,4):}], B=[{:(,-2,1),(,-3,2):}] and A^2-5B^2=5C. find matrix C where C is a 2 ...5:026Counter-Strike: Source
2022-02-05Given A=[{:(,3,0),(,0,4):}], B=[{:(,a,b),(,0,c):}] andAB=A+B, find the values of a,b and c. | 10...4:0912Counter-Strike: Source
2022-02-05If A=[{:(,1,4),(,2,1):}], B=[{:(,-3,2),(,4,0):}] and C=[{:(,1,0),(,0,2):}] simplify : A^2+BC. |...3:432Counter-Strike: Source
2022-02-05The expression 4x^(3)-bx^(2)+x-c leaves remainders 0 and 30 when divided by x+1 and 2x-3 respect...3:50102Counter-Strike: Source
2022-02-05निम्नलिखित के I.U.P.A.C. नाम बताइए। a. underset(CH_(2)-COOH)underset(|)(CH_(2))-COOH b. CH_(3)-u...6:017Counter-Strike: Source
2022-02-05A computer machanic in Delhi charges repairing cost from five different persons A,B,C, D and E w...6:32111Counter-Strike: Source
2022-02-05An article is sold from jaipur (Rajasthan) to indore (M.P.) for Rs. 5,000 and then from indore t...3:1633Counter-Strike: Source
2022-02-05The difference between C.I. and S.I. on Rs 7,500 for two years is Rs 12 at the same rate of inte...4:511,350Counter-Strike: Source
2022-02-05At what rate percent per annum C.I will Rs 2,000 amount to Rs 2,315.25 in 3 years ? | 9 | COMPOU...2:37633Counter-Strike: Source
2022-02-05A sum of money lent out at C.I at a certain r% (rate of growth) doubles itself in 5 years. Find ...4:438Counter-Strike: Source
2022-02-05The difference between the C.I and the S.I on Rs 8,400 for two years is Rs 21 at the same rate o...3:10675Counter-Strike: Source
2022-02-05In how many years will Rs 2,000 amount to Rs. 2,662 at 10 percent p.a C.I ? | 9 | COMPOUND INTER...2:19332Counter-Strike: Source
2022-02-05सिलिका और हाइड्रोजन फ्लोराइड के प्रतिक्रिया से प्राप्त प्रतिफल है | 12 | रसायान विज्ञान 2018 | C...1:4388Counter-Strike: Source
2022-02-05Find the amount and the C.I. on Rs. 8,000 in 11/2 years at 20% per year compounded half-yearly. ...2:4365Counter-Strike: Source
2022-02-05उत्प्रेरक विष तथा उत्प्रेरक वर्धक में क्या अन्तर है? उदाहरण सहित समझाइए। | 12 | पृष्ठ रसायन | C...5:09404Counter-Strike: Source
2022-02-05क्या होता है जब? बेन्जल्डिहाइड की क्रिया सेमीकार्बेजाइड से कराते हैं? | 12 | क्या होता है जब | C...2:58333Counter-Strike: Source
2022-02-05क्या होता है जब? ईथर की लाल फॉस्फोरस तथा HI के साथ अभिक्रिया होती है। | 12 | क्या होता है जब | C...3:2654Counter-Strike: Source
2022-02-05अन्तः केंद्रित घनीय (b.c.c) सेल कैसे बनता है? इसके यूनिट सेल में परमाणुओं की संख्या ज्ञात कीजिए|...4:54636Counter-Strike: Source
2022-02-05फलक केंद्रित घनीय (f.c.c) सेल कैसे बनता है? इसके यूनिट सेल में परमाणुओं की संख्या ज्ञात कीजिए| ...6:132,489Counter-Strike: Source
2022-02-05The normal temperature of human body is 37^@C. What will be its value on the Kelvin scale ? | 7 ...1:2891Counter-Strike: Source
2022-02-05State the S.I. and C.G.S. units of density. How are they related ? | 7 | PHYSICAL QUANTITIES AND...1:56722Counter-Strike: Source
2022-02-05By selling a bicycle for Rs. 5670 a trader gains Rs. 270. Find his gain per cent. [Hint: C.P. = ...3:5558Counter-Strike: Source
2022-02-05A given mass of water is cooled from 10^(@)C to 0^(@)C. State the volume changes observed. Repre...5:0743Counter-Strike: Source
2022-02-05एक पदार्थ का कार्यफलन 3.3ev है तो इसकी देहली आवृत्ति होगी | 12 | सॉल्वड पेपर 2015 | PHYSICS | C...1:5619Counter-Strike: Source
2022-02-05Sulphur dioxide turns acidified potassium dichromate ............... . | 10 | SULPHURIC ACID | C...1:57370Let's PlayCounter-Strike: Source
2022-02-05चुंबकीय क्षेत्र का C.G .S मात्रक क्या होता है ? | 12 | गतिमान आवेश और चुम्बकत्व | PHYSICS | LECT...2:131Counter-Strike: Source
2022-02-05........... electrodes are used during electrolysis of acidulated water. | 10 | ELECTROLYSIS | C...2:014Counter-Strike: Source
2022-02-05Write the formula for : Potash alum : ............... | 10 | STUDY OF ACIDS, BASES AND SALTS | C...1:51501Counter-Strike: Source
2022-02-05Define the following: a. Fusion, b. Fusion point, c. Solidification, d. Solidification point e. ...8:05392Counter-Strike: Source
2022-02-05Define the terms: a. Element b. Atom, c. Molecule. | 8 | MATTER | PHYSICS | ICSE | Doubtnut4:196Counter-Strike: Source
2022-02-05Write balanced equation for the reaction of zinc and dilute hydrochloric acid. | 10 | STUDY OF C...1:52105Counter-Strike: Source
2022-02-05Classify the following reactions into- a. Direction combination b. Decomposition c. Displacement...10:3664Counter-Strike: Source
2022-02-05Find the H.C.F. of the given numbers by division method: ltbr 84, 120, 156 | 6 | FACTORS AND MUL...3:03627Counter-Strike: Source
2022-02-05The H.C.F. and L.C.M. of two numbers are 9 and 270 respectively. If one of the numbers is 45, fi...1:45456Counter-Strike: Source
2022-02-05Find the H.C.F. of 180 and 336. Hence, find their L.C.M. | 6 | FACTORS AND MULTIPLES | MATHS | I...3:27863Counter-Strike: Source
2022-02-05Can two numbers have 15 as their H.C.F. and 110 as their L.C.M.? Give reason to justify your ans...2:45115Counter-Strike: Source
2022-02-05Find the L.C.M. of the given numbers by division method: (i) 12, 32 (ii) 480, 672 (iii) 6, 8...6:41769Counter-Strike: Source
2022-02-05The product of H.C.F. and L.C.M. of two numbers is 192. If one of number is 16, find the other n...2:17436Counter-Strike: Source
2022-02-05Find the H.C.F. of the given numbers by prime factorisation method: (i) 28, 46 (ii) 25, 65 (...6:2452Counter-Strike: Source
2022-02-05Find the L.C.M. of 198 and 78. | 6 | FACTORS AND MULTIPLES | MATHS | ICSE | Doubtnut2:3919Counter-Strike: Source
2022-02-05Water has maximum density at 4°C. | 8 | WATER | CHEMISTRY | ICSE | Doubtnut2:201,626Counter-Strike: Source