When light is refracted, which ,of the following does not change ?
(a) Wavelepgth.
(b) Frequency.
(c) Velocity.
(d) Amplitude.
1 Answers
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Light enters from air into glass having refractive index 1.50. What is the speed of light in glass? The speed of light in vacuum is 3 x 108 ms-1.
Given,n=1.5 and the speed of light in vacuum, c = 3x 108 ms-1. We know that the refractive index is given by the expression n =c/v where c is the...
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Why there is no dispersion of light refracted through a rectangular glass slab?
After refraction at two parallel faces of a glass slab, a ray of light emerges in a direction parallel to the direction of incidence of white light. As rays of...
1 Answers 4 views
Some changes are listed in the following table. For each change, write in the blank column, whether the change can be reversed or not.
S. NO Change Can be reversed (Yes / NO) 1. The Sawing of a Piece of food No 2. The melting of ice candy yes 3. Dissolving sugar in water yes 4. The cooking of food No 5. The Ripening of mango No 6. Souring of milk No
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When sound wave is refracted from air to water, which of the following will remain unchanged ?
(d) Frequency. EXPLANATION: When the sound wave is refracted from air to water, due to the change in B and ρ the velocity of the sound V changes. Hence the options (a)...
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When light is refracted into a medium, (a) its wavelength and frequency both increase
(c) its wavelength decreases but frequency remains unchanged EXPLANATION: When light is refracted into a medium its speed changes but the frequency remains the same because the energy associated with a...
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Find the maximum angle of refraction when a light ray is refracted from glass (μ= 1.50) to air.
From the definition of critical angle, if refracted angle is more than 90°, then reflection occurs, which is known as total internal reflection. So, maximum angle of refraction is 90°.
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When an unpolarized light of intensity I_0 is incident on a polarizing sheet, the intensity of the light which does not get transmitted is
The correct answer is (1) When unpolarised light of intensity Io is incident on a polarizing sheet, only Io/2 is transmitted.
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When light is refracted, which of the following does not change ? (a) Wavelength (b) Frequency
(b) Frequency does not change on refraction EXPLANATION: When light is refracted into a medium its speed changes but the frequency remains the same because the energy associated with a photon...
1 Answers 1 views
Yellow light is refracted through a prism producing minimum
(a) In the position of minimum deviation, i1 = i2 .
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In which of the following decays the element does not change?
(d) The element does not change γ-decay.
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