If you have hypermetropia, you can see (a)   object clearly.

This is the phase of the moon where the moon is as a full circle.

(a)  

It is the SI unit for brightness of light.

(a)  

It is a spacecraft that is like a rocket and an airplane.

(a)  

The pencil appears (a)   when put in a glass of water due to the refraction of light.

It is the diagram that traces the path that light takes for a person to view a point on the image of an object.

(a)  

The (a)   is the distance from vertex

 to focal length and it is halved of the length of the radius.

Parallel light rays seem to reflect and

  (a)   from the focal point behind the

convex mirror.

This is the angle between the reflected ray and normal.

(a)  

What is the correct meaning of the abbreviation ISS?

(a)  

Planets revolve around the Sun due to the (a)   force pulling them together.

Compound microscopes are used to view near and very (a)   objects.

It causes the occurrence of seasons and the different lengths of daytime and nighttime.

(a)  

According to the law of reflection the angle of incidence is (a)  

as the angle of reflection.

Changes of shapes of moon is called (a)   .

Ken has myopia, so he can see (a)   object clearly.

Objects that emit light are called (a)   .

The (a)   is the point where the light rays meet after being reflected.

It is the bending of light when it enters a medium with different density.

(a)