Light Test - 9...

A body which has no light of its own, but is visible because it reflects light, is called

Objects that allow light to pass through them partially are called

Region where the light is totally or partially cut off by an opaque body is called

Rectilinear propagation of light means

What is the principal cause of lunar eclipse?

The point on a lens, where a light ray on passing through it suffers no deviation, is called

The phenomenon according to which the wave oscillations are restricted to a particular plane is called

A virtual image larger than the object can be produced by

Given a point source of light, which of the following can produce a parallel beam of light?

Line passing through the pole and the centre of curvature of spherical mirror is called

Rajan moves towards a plane mirror with a speed of 8 m/s. Then, he sees his image to be moving towards him with a speed of

The rear view mirror used in a car is

The image formed by convex lens is virtual when the object is placed

In the case of a concave mirror the image coincides with the object, when the object is placed at

To see very small objects (which are not visible to naked eyes) we can use

In a compound microscope, focal length of the eye piece is

Which of the following has the shortest wavelength in visible spectrum?

When a beam of white light is dispersed with the help of a prism, which of the following colours will be most deviated?

Which of following will be true, when light travels in water?

A 5 ft tall man wishes to see his full image in a plane mirror. The minimum height of plane mirror needed for this purpose is