Science Questions

Which of the following materials has the highest refractive index?

The change in direction of a ray of light when it enters from a rarer medium to a denser medium is:

The splitting of white light into its seven constituent colors is called:

The image formed on the retina of a human eye is:

What is the power of a lens having a focal length of 0.5 meters?

The center of the reflecting surface of a spherical mirror is called:

For a normal human eye, the least distance of distinct vision is:

Which mirror can produce a real and magnified image?

Light travels in a:

What color does a red rose appear in green light?

A convex lens is also known as a:

The unit of refractive index is:

According to the law of reflection, the angle of incidence is:

The focal length of a plane mirror is:

Which part of the eye controls the amount of light entering it?

What is the magnification (m) of a plane mirror?

Refractive index of water with respect to air is approximately:

The ability of the eye lens to adjust its focal length is called:

In a concave mirror, if the object is at infinity, the image is formed at:

The sky appears blue due to: