MCQ
The binding energy per nucleon of helium is :
- A8 MeV
- ✓7.0 MeV
- C11 MeV
- D4.0 MeV
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The time required to pass the light through a glass slab of 2 mm thick is (
)
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(a) |
(b) |
(c) |
(d) |
Which of the following statement is true
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(a) Velocity of light is constant in all media |
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(b) Velocity of light in vacuum is maximum
|
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(c) Velocity of light is same in all reference frames |
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(d) Laws of nature have identical form in all reference frames |
An achromatic combination of lenses produces
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(a) Coloured images |
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(b) Highly enlarged image |
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(c) Images in black and white |
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(d) Images unaffected by variation of refractive index with wavelength |