- AUnpolarised
- BPlane polarised
- CCircular polarised
- DElliptically polarised
Explanation:
Nicol prism is a polariser in which the O-ray is eliminated by total internal reflection and the light transmitted through it, is E-ray which is completely plane polarised light.
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Assertion : Mass of moving photon varies inversely as the wavelength.
Reason : Energy of the particle = Mass × ![]()
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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. |
Young’s double slit experiment is performed with light of wavelength 550 nm. The separation between the slits is 1.10 mm and screen is placed at distance of 1 m. What is the distance between the consecutive bright or dark fringes
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(a) 1.5 mm |
(b) 1.0 mm |
(c) 0.5 mm |
(d) None of these |
If resistance of voltmeter is 10000 W and resistance of ammeter is 2 W then find R when voltmeter reads 12V and ammeter reads 0.1 A
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(a) 118 W |
(b) 120 W |
(c) 124 W |
(d) 114W |
Hydrogen (H), deuterium (D), singly ionized helium (
and doubly ionized lithium (Li) all have one electron around the nucleus. Consider n =2 to n = 1 transition. The wavelengths of emitted radiations are
and
respectively. Then approximately
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(a) |
(b) 4 |
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(c) |
(d) |