As light rays emerge from a glass prism into air, are they refracted towards or away from the normal ?
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Do anode rays emerge from anode?
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As light rays pass from air into a glass prism, are they refracted towards or away from the normal ?
Solution : Towards the normal
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(a) The scattering away of red light makes the sky appear blue during the day time. (b) The scattering away of blue light makes
(a) The scattering away of red light makes the sky appear blue during the day time. False (b) The scattering away of blue light makes the sun appear red at sunset. True
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Name the plant part : (a) which bends in the direction of gravity but away from light (b) which bends towards light but away from the force of gravity
(a) Root. (b) Stem.
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A monochromatic ray of light passes from air to glass. The wavelength of light in air is λ, the speed of light in air is
(a) The relation between speed of light in air c and in glass v is given by c/v = =1.5 (b) The wavelength of light in glass (λ1) μ = λ/λ1 = λ/1.5
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When a ray of light from air enters a denser medium, it: (a) bends away from the normal
The ray of light bends towards the normal. Reason: As the speed of light decreases in the denser medium, it bends towards the normal.
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Which of the two prism, A made of crown glass and B made of flint glass, deviates a ray of light more?
B made of flint glass. Because it has higher refractive index.
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A ray of light suffers refraction through an equilateral prism. The deviation produced by the prism does not depend on the:
The deviation produced by the prism does not depend on the size of prism.
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A ray of light when passes from glass to air, bends towards the normal.
False A ray of light when passes from glass to air, bends towards the normal.
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A ray of light after reflection from a mirror is known as 1. reflected ray 2. normal 3. incident ray 4. refracted ray
1. reflected ray
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