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$\frac{1}{2}\text{m}\omega^2\text{A}^2$
$\frac{1}{4}\text{m}\omega^2\text{A}^2$
$\text{m}\omega^2\text{A}^2$
$\text{Zero}$
Assertion : In Young’s double slit experiment, the fringes become indistinct if one of the slits is covered with cellophane paper.
Reason : The cellophane paper decrease the wavelength of light.
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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
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(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
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(c) If assertion is true but reason is false. |
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(d) If the assertion and reason both are false. |
What is used as a moderator in a nuclear reactor
| (a) Water | (b) Graphite |
(c) Cadmium |
(d) Steel |
When a slab of dielectric material is introduced between the parallel plates of a capacitor which remains connected to a battery, then charge on plates relative to earlier charge
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(a) Is less |
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(b) Is same |
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(c) Is more |
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(d) May be less or more depending on the nature of the material introduced |
A parallel beam of monochromatic light is incident at one surface of a equilateral prism. Angle of incidence is 55° and angle of emergence is 46°. The angle of minimum deviation will be
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(a) Less than 41° |
(b) Equal to 41° |
(c) More than 41° |
(d) None of the above |