Chapter 16: Problem 2305
The phenomenon of polarization of electromagnetic waves proves that the electromagnetic waves are (A) mechanical (B) longitudinal (C) transverse (D) none of these
Chapter 16: Problem 2305
The phenomenon of polarization of electromagnetic waves proves that the electromagnetic waves are (A) mechanical (B) longitudinal (C) transverse (D) none of these
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Get started for freeWhen the length of microscope tube increases, its magnifying power (A) decreases (B) increase (C) does not change (D) none of these
A mark at the bottom of the liquid appears to rise by \(0.2 \mathrm{~m}\), If depth of the liquid is \(2.0 \mathrm{~m}\) then refractive index of the liquid is (A) \(1.80\) (B) \(1.60\) (C) \(1.33\) (D) \(1.11\)
A double convex lens of focal length \(6 \mathrm{~cm}\) is made of glass of refractive index \(1.5\), The radius of curvature of one surface is double than that of the other surface. The value of small radius of curvature is (A) 6 (B) 9 (C) 12 (D) \(4.5\)
A ray of light passes through a prism having refractive index \((\mathrm{n}=\sqrt{2})\), Suffers minimum deviation If angle of incident is double the angle of refraction within prism then angle of prism is (A) \(30^{\circ}\) (B) \(60^{\circ}\) (C) \(90^{\circ}\) (D) \(180^{\circ}\)
The head light of a jeep are \(1.2 \mathrm{~m}\) apart. If the pupil of the eye of an observer has a diameter of \(2 \mathrm{~mm}\) and light of wavelength \(5896 \AA\) is used what should be the maximum distance of the jeep from the observer if two head lights are just seem to be separated apart? (A) \(30.9 \mathrm{~km}\) (B) \(33.4 \mathrm{~km}\) (C) \(3.34 \mathrm{~km}\) (D) \(30.9 \mathrm{~km}\)
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