| 1. | Explain the medium of exchange function of money.... | 6:14 | | The Medium
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| 2. | A train of plane light waves propagates in the medium where the phase velocity \( v \) is a line... | 5:52 | | The Medium
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| 3. | A train of plane light waves propagates in the medium where the phase velocity \( v \) is a line... | 5:52 | | The Medium
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| 4. | A ray of light is incident in medium 1 on a surface that separates medium 1 from medium 2. Let \... | 5:49 | | The Medium
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| 5. | A ray of light is incident in medium 1 on a surface that separates medium 1 from medium 2. Let \... | 5:49 | | The Medium
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| 6. | Assertion (A): If the medium between two charges is
replaced by another medium of greater dielec... | 5:07 | | The Medium
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| 7. | Suppose the reaction of compound containing ketone as functional group is carried in basic medium... | 4:45 | | The Medium
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| 8. | Primary alcohols can be readily oxidised to carboxylic acids by.
(i) KMnO_4 in neutral medium.
(i... | 4:39 | | The Medium
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| 9. | Why is \( \mathrm{HCl} \) not used to make the medium acidic in
P o... | 4:10 | | The Medium
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| 10. | In a longitudinal wave, the elastic property of the constituents of the medium that determines t... | 4:09 | | The Medium
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| 11. | In the medium where E. coli was growing, lactose was added, which i... | 3:58 | | The Medium
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| 12. | Select the incorrect statement about lac operon when lactose is present in the medium. .... | 3:53 | | The Medium
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| 13. | A ray of light travelling in a transparent medium falls on a surface separating the medium from ... | 3:49 | | The Medium
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| 14. | For the precipitation of cations of group IV in qualitative analysis, the medium is made alkalin... | 3:31 | | The Medium
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| 15. | Briefly explain how sound propagates in a medium. | 3:30 | | The Medium
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| 16. | A ray of light passes from medium-1 to medium-2 and then to medium-3 as shown in figure. What ma.... | 3:28 | Show | The Medium
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| 17. | Change in temperature of the medium changes:.... | 3:21 | | The Medium
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| 18. | Speed of sound wave in a fluid depends
(a) directly on density of the medium
(b) directly on squ... | 3:18 | | The Medium
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| 19. | four choices have been provided. Select the correct alternative. Steam is used in external combus... | 3:18 | | The Medium
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| 20. | According to Laplace correction, the pressure variations in the medium during propagation of sou... | 3:16 | | The Medium
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| 21. | The figure shows a surface XY separating two transparent media, medium-1 and medium- 2 . The lin... | 3:07 | Show | The Medium
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| 22. | The figure shows a surface XY separating two transparent media, medium-1 and medium- 2 . The lin... | 3:07 | Show | The Medium
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| 23. | Pepsin acts in: (A) Basic medium (B) Neutral medium (C) Acidic medium (D) All types of media | 3:05 | | The Medium
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| 24. | Pepsin acts in (A) basic medium (B) neutral medium (C) acidic medium (D) All types of media | 3:04 | | The Medium
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| 25. | Which characteristics of the medium, determine the velocity of long... | 2:56 | | The Medium
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| 26. | During digestion in Amoeba the medium is first :
(A) acidic
(B) highly alkaline
(C) neutral
(D) ... | 2:56 | | The Medium
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| 27. | Assertion: Speed of mechanical wave in the medium depends on the velocity of source, relative to.... | 2:46 | | The Medium
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| 28. | The polarizing angle for a medium is \( 60^{\circ} \), find the refractive index of the medium. | 2:44 | | The Medium
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| 29. | Why is \( \mathrm{HCl} \) not used to make the medium acidic in
P o... | 2:38 | | The Medium
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| 30. | If there are \( n \) number of waves moving in the medium represented by the wave functions
\[
y... | 2:31 | | The Medium
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| 31. | Why is \( \mathrm{HCl} \) not used to make the medium acidic in
P o... | 2:31 | | The Medium
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| 32. | Define refractive index of the medium. | 2:29 | | The Medium
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| 33. | As shown in the figure, after passing through the medium 1. The speed of light \(v_2\) in medium... | 2:28 | Show | The Medium
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| 34. | Why is \( \mathrm{HCl} \) not used to make the medium acidic in oxi... | 2:14 | | The Medium
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| 35. | Can a lens be used in the medium of which it is made of? | 2:09 | | The Medium
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| 36. | The figure shows a surface XY separating two transparent media, medium-1 and medium-2. The lines... | 1:49 | Show | The Medium
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| 37. | The figure shows a surface XY separating two transparent media, medium-1 and medium-2. The lines... | 1:49 | Show | The Medium
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| 38. | Speed of mechanical wave is determined by
(a) inertial properties of the medium
(b) elastic prop... | 1:47 | | The Medium
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| 39. | How does the force between two point charges change if the dielectric constant of the medium in ... | 1:47 | | The Medium
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| 40. | Speed of mechanical wave is determined by
(a) inertial properties of the medium
(b) elastic prop... | 1:47 | | The Medium
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| 41. | In a stationary wave system, all the particles of the medium
\( \ma... | 1:47 | | The Medium
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| 42. | In a transverse wave, the particles of the medium.... | 1:38 | | The Medium
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| 43. | The waves in which the particles of the medium vibrate in a directi... | 1:37 | | The Medium
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| 44. | Light wave enters from medium 1 to medium 2. Its velocity in \( 2^{\text {nd }} \) medium i.... | 1:36 | | The Medium
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| 45. | In a standing wave, all particles of the medium
\( \mathrm{p} \) cr... | 1:13 | | The Medium
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| 46. | Change in temperature of the medium changes
[NCERT Exemplar]
(a) Fr... | 1:06 | | The Medium
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| 47. | The number of waves contained in unit length of the medium is calle... | 1:05 | | The Medium
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| 48. | Why is \( \mathrm{HCl} \) not used to make the medium acidic in
P o... | 1:04 | | The Medium
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| 49. | was a female allegory, which represented the peoples nations in France.
(a) Germania
(b) Marianne... | 0:52 | | The Medium
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| 50. | The number of waves contained in unit length of the medium is calle... | 0:47 | | The Medium
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| 51. | What is the medium of human saliva?
(1) Acidic
(2) Basic
(3) Neutra... | 0:26 | | The Medium
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| 52. | The medium present in the environment which consumes some amount of certain pollutant is called ... | 0:25 | | The Medium
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| 53. | The medium present in the environment which consumes some amount of certain pollutant is called ... | 0:25 | | The Medium
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| 54. | AB and CD are two slabs. The medium between the slabs has refractive index 2. Find the minimum a.... | 0:00 | | The Medium
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| 55. | Select the incorrect statement about lac operon when lactose is present in the medium..... | 0:00 | | The Medium
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| 56. | A ray of light from a denser medium strikes a rarer medium at an angle of incidencei (see figure.... | 0:00 | | The Medium
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| 57. | Velocity of sound in medium is V. If the density of the medium is doubled, what will be the new .... | 0:00 | | The Medium
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| 58. | What is the name given to the medium water conditions in succession of plants?.... | 0:00 | | The Medium
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| 59. | AB and CD are two slabs. The medium between the slabs has refractive index 2. Find the minimum a.... | 0:00 | | The Medium
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| 60. | The number of waves contained in unit length of the medium is called.... | 0:00 | | The Medium
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| 61. | The displacement of the medium in a sound wave is given by the equationy1=Acos(ax+bt) where A, a.... | 0:00 | | The Medium
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| 62. | A ray of light travelling in a transparent medium falls on a surface separating the medium from .... | 0:00 | | The Medium
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| 63. | A ray of light travelling in a transparent medium falls on a surface separating the medium from .... | 0:00 | | The Medium
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| 64. | The displacement of the medium in a sound wave is given by the equation ; y1 = Acos (ax + bt) wh.... | 0:00 | | The Medium
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| 65. | Velocity of sound in medium is \\( \\mathrm{V} \\). If the density of the medium is doubled, the.... | 0:00 | | The Medium
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| 66. | Why is HCl not used to make the medium acidic in oxidation reactions of KMnO4 in acidic medium?&.... | 0:00 | | The Medium
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| 67. | The waves in which the particles of the medium vibrate in a direction perpendicular to the direc.... | 0:00 | | The Medium
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| 68. | Halogens shown bleaching action in present of alkaline medium. The halogen which does not show;.... | 0:00 | | The Medium
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