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Green light is incident at the polarizing angle of a certain glass plate . The angle of refraction is $32^{\circ}$ . What is the index of refraction of glass ?

asked Jun 17, 2016 by meena.p

1 answer

A single slit diffraction pattern is completely immersed in water without changing any parameter. How is the width of central maximum affected ?

asked Jun 17, 2016 by meena.p

1 answer

How does the angular separation between fringes in single- slit diffraction experiment change when the distance of separation between the slit and screen is doubled ?

asked Jun 17, 2016 by meena.p

1 answer

A star is moving away from an observer with a speed of $500 kms^{-1}$. Calculate the Doppter shift if the wavelength of light emitted by the star is $6000 A^{\circ}$

asked Jun 17, 2016 by meena.p

1 answer

What is the polarizing angle of a medium in which the angle of refraction is $33^{\circ}$

asked Jun 17, 2016 by meena.p

1 answer

A diffraction grating has 5000 lines per cm, what is its grating element?

asked Jun 17, 2016 by meena.p

1 answer

Two slits $0.125 mm$ apart are illuminated by light of wave length $4500 A^{\circ}$. The screen is 1 m away , from the plane of the slits. Find the separation between the second bright finge on both sides of the central maximum .

asked Jun 17, 2016 by meena.p

1 answer

Estimate the distance for which ray optics is good approximate for an aperture of 4mm and wave length 400 nm .

asked Jun 17, 2016 by meena.p

1 answer

Two convex lenses of same focal length but of aperture $A_1$ and $A_2\; (A_2 < A_1)$ are used as the objective lenses in two astronomical telescope having identical eye pieces. What is the ratio of then resolving power ?

asked Jun 17, 2016 by meena.p

1 answer

What is the value of refractive index of a medium of polarized angle $60^{\circ}$

asked Jun 17, 2016 by meena.p

1 answer

If the angle between the axis of polarized and analyser is $45^{\circ}$ , write the ratio of intensities of original light and the transmitted light after passing through analyses

asked Jun 17, 2016 by meena.p

1 answer

Which away these x- ray , sound waves, and radio waves can be polarized ?

asked Jun 17, 2016 by meena.p

1 answer

What is the angle between the reflected and refraction rays at polarized angle .

asked Jun 17, 2016 by meena.p

1 answer

Which phenomenon leads us to conclude that light is transverse in nature ?

asked Jun 17, 2016 by meena.p

1 answer

When the angle of incidence on a material is $60^{\circ}$ the reflected light is completely polarized. The velocity of the refracted ray inside the material

asked Jun 16, 2016 by meena.p

1 answer

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