Optics Answers

Draw a ray diagram to show a wave bending towards the normal. Mark the angles of incident and refraction?

Polarization of a wave is

A. direction of electric field

B. direction of magnetic field at some fixed point in space

C. either (a) or (b)

D. none of the above

The distance between maxima and minima of a standing wave is

A parallel polarized wave is incident from air into paraffin having relative permittivity 3, the value of its Brewster angle is

Find the magnification of the image formed by a lens of 5 dioptres when the object is 20m away from it

Refractive index of glass is 1.5. Find the wavelength of a beam of light with a frequency of 1014 Hz in glass. Assume velocity of light is 3 x 108 m/sec in vacuum.

an object is placed at 0.6 m from a convex lens of focal length 0.15m . Calculate the position and nature of image.

what is the power of prism in prism diopter that deviates a light ray of 6 cm at a distance of 500cm

a small object is placed 6cm away from a converging lens of focal length 10cm. find the nature of the image, position of the image and magnification of the image