| 1. | How does the force between two point charges change if the dielectric constant of the medium in ... | 322 | | The Medium
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| 2. | The polarizing angle for a medium is \( 60^{\circ} \), find the refractive index of the medium. | 192 | | The Medium
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| 3. | was a female allegory, which represented the peoples nations in France.
(a) Germania
(b) Marianne... | 78 | | The Medium
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| 4. | A ray of light travelling in a transparent medium falls on a surface separating the medium from ... | 50 | | The Medium
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| 5. | Change in temperature of the medium changes
[NCERT Exemplar]
(a) Fr... | 39 | | The Medium
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| 6. | Why is \( \mathrm{HCl} \) not used to make the medium acidic in
P o... | 13 | | The Medium
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| 7. | The figure shows a surface XY separating two transparent media, medium-1 and medium-2. The lines... | 13 | Show | The Medium
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| 8. | Speed of sound wave in a fluid depends
(a) directly on density of the medium
(b) directly on squ... | 10 | | The Medium
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| 9. | According to Laplace correction, the pressure variations in the medium during propagation of sou... | 10 | | The Medium
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| 10. | Can a lens be used in the medium of which it is made of? | 8 | | The Medium
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| 11. | If there are \( n \) number of waves moving in the medium represented by the wave functions
\[
y... | 6 | | The Medium
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| 12. | Define refractive index of the medium. | 6 | | The Medium
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| 13. | A train of plane light waves propagates in the medium where the phase velocity \( v \) is a line... | 5 | | The Medium
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| 14. | A ray of light is incident in medium 1 on a surface that separates medium 1 from medium 2. Let \... | 4 | | The Medium
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| 15. | The figure shows a surface XY separating two transparent media, medium-1 and medium- 2 . The lin... | 4 | Show | The Medium
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| 16. | Assertion (A): If the medium between two charges is
replaced by another medium of greater dielec... | 4 | | The Medium
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| 17. | During digestion in Amoeba the medium is first :
(A) acidic
(B) highly alkaline
(C) neutral
(D) ... | 4 | | The Medium
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| 18. | For the precipitation of cations of group IV in qualitative analysis, the medium is made alkalin... | 4 | | The Medium
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| 19. | Velocity of sound in medium is V. If the density of the medium is doubled, what will be the new .... | 4 | | The Medium
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| 20. | Primary alcohols can be readily oxidised to carboxylic acids by.
(i) KMnO_4 in neutral medium.
(i... | 3 | | The Medium
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| 21. | The number of waves contained in unit length of the medium is calle... | 3 | | The Medium
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| 22. | Suppose the reaction of compound containing ketone as functional group is carried in basic medium... | 3 | | The Medium
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| 23. | Velocity of sound in medium is \\( \\mathrm{V} \\). If the density of the medium is doubled, the.... | 3 | | The Medium
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| 24. | Why is \( \mathrm{HCl} \) not used to make the medium acidic in oxi... | 3 | | The Medium
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| 25. | In a longitudinal wave, the elastic property of the constituents of the medium that determines t... | 3 | | The Medium
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| 26. | Why is HCl not used to make the medium acidic in oxidation reactions of KMnO4 in acidic medium?&.... | 3 | | The Medium
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| 27. | AB and CD are two slabs. The medium between the slabs has refractive index 2. Find the minimum a.... | 3 | | The Medium
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| 28. | Why is \( \mathrm{HCl} \) not used to make the medium acidic in
P o... | 2 | | The Medium
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| 29. | A ray of light travelling in a transparent medium falls on a surface separating the medium from .... | 2 | | The Medium
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| 30. | Why is \( \mathrm{HCl} \) not used to make the medium acidic in
P o... | 2 | | The Medium
|
| 31. | The figure shows a surface XY separating two transparent media, medium-1 and medium-2. The lines... | 2 | Show | The Medium
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| 32. | In the medium where E. coli was growing, lactose was added, which i... | 2 | | The Medium
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| 33. | In a standing wave, all particles of the medium
\( \mathrm{p} \) cr... | 2 | | The Medium
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| 34. | Explain the medium of exchange function of money.... | 2 | | The Medium
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| 35. | Which characteristics of the medium, determine the velocity of long... | 1 | | The Medium
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| 36. | Light wave enters from medium 1 to medium 2. Its velocity in \( 2^{\text {nd }} \) medium i.... | 1 | | The Medium
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| 37. | The number of waves contained in unit length of the medium is called.... | 1 | | The Medium
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| 38. | four choices have been provided. Select the correct alternative. Steam is used in external combus... | 1 | | The Medium
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| 39. | What is the medium of human saliva?
(1) Acidic
(2) Basic
(3) Neutra... | 1 | | The Medium
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| 40. | Pepsin acts in: (A) Basic medium (B) Neutral medium (C) Acidic medium (D) All types of media | 1 | | The Medium
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| 41. | The waves in which the particles of the medium vibrate in a directi... | 1 | | The Medium
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| 42. | A ray of light travelling in a transparent medium falls on a surface separating the medium from .... | 1 | | The Medium
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| 43. | Change in temperature of the medium changes:.... | 1 | | The Medium
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| 44. | Speed of mechanical wave is determined by
(a) inertial properties of the medium
(b) elastic prop... | 1 | | The Medium
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| 45. | Why is \( \mathrm{HCl} \) not used to make the medium acidic in
P o... | 1 | | The Medium
|
| 46. | Select the incorrect statement about lac operon when lactose is present in the medium. .... | 1 | | The Medium
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| 47. | AB and CD are two slabs. The medium between the slabs has refractive index 2. Find the minimum a.... | 1 | | The Medium
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| 48. | As shown in the figure, after passing through the medium 1. The speed of light \(v_2\) in medium... | 0 | Show | The Medium
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| 49. | Pepsin acts in (A) basic medium (B) neutral medium (C) acidic medium (D) All types of media | 0 | | The Medium
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| 50. | The medium present in the environment which consumes some amount of certain pollutant is called ... | 0 | | The Medium
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| 51. | The displacement of the medium in a sound wave is given by the equation ; y1 = Acos (ax + bt) wh.... | 0 | | The Medium
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| 52. | A train of plane light waves propagates in the medium where the phase velocity \( v \) is a line... | 0 | | The Medium
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| 53. | A ray of light passes from medium-1 to medium-2 and then to medium-3 as shown in figure. What ma.... | 0 | Show | The Medium
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| 54. | Briefly explain how sound propagates in a medium. | 0 | | The Medium
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| 55. | What is the name given to the medium water conditions in succession of plants?.... | 0 | | The Medium
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| 56. | The number of waves contained in unit length of the medium is calle... | 0 | | The Medium
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| 57. | The medium present in the environment which consumes some amount of certain pollutant is called ... | 0 | | The Medium
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| 58. | The displacement of the medium in a sound wave is given by the equationy1=Acos(ax+bt) where A, a.... | 0 | | The Medium
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| 59. | Halogens shown bleaching action in present of alkaline medium. The halogen which does not show;.... | 0 | | The Medium
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| 60. | Assertion: Speed of mechanical wave in the medium depends on the velocity of source, relative to.... | 0 | | The Medium
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| 61. | Speed of mechanical wave is determined by
(a) inertial properties of the medium
(b) elastic prop... | 0 | | The Medium
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| 62. | A ray of light from a denser medium strikes a rarer medium at an angle of incidencei (see figure.... | 0 | | The Medium
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| 63. | In a transverse wave, the particles of the medium.... | 0 | | The Medium
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| 64. | In a stationary wave system, all the particles of the medium
\( \ma... | 0 | | The Medium
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| 65. | Select the incorrect statement about lac operon when lactose is present in the medium..... | 0 | | The Medium
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| 66. | The figure shows a surface XY separating two transparent media, medium-1 and medium- 2 . The lin... | 0 | Show | The Medium
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| 67. | A ray of light is incident in medium 1 on a surface that separates medium 1 from medium 2. Let \... | 0 | | The Medium
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| 68. | The waves in which the particles of the medium vibrate in a direction perpendicular to the direc.... | 0 | | The Medium
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