Twinkling of a Star

Q.

The phenomenon responsible for twinkling of stars is ___

Q. Twinkling of stars is due to :

1. dispersion of light
2. refraction of light
3. scattering of light
4. internal reflection of light

Q.

The swimming pool appears to be less deep than it actually is. Which phenomenon is responsible for it?

1. Refraction of light

2. Scattering of light

3. Reflection of light

4. Diffusion of light

Q.

Why do the stars appear to twinkle and not planets and the moon?

Q. Which of the following statement is correct about the twinkling of the stars?

1. Light from the stars get reflected by the surface water droplets in the clouds.
2. Stars reflect sun's light in a non-uniform manner.
3. Stars keep changing their positions with respect to the observer randomly.
4. Light from the stars get refracted by the earth's atmosphere.

Q. Stars appear to twinkle when seen from the Moon.

1. True
2. False

Q.

Twinkling of stars is due to___________.

1. diffraction of light

2. dispersion of light

3. atmospheric refraction

4. internal reflection

Q. Stars appear to twinkle because of intermittent light from the source.

1. True
2. False

Q. Stars appear to twinkle because of intermittent light from the source.

1. False
2. True

Q.

Stars appear to twinkle when seen from the Moon.

1. True

2. False

Q. The stars appear higher in the sky than they actually are, due to:
(a) diffraction of light
(b) scattering of light
(c) refraction of light
(d) reflection of light

Q. Which of the following statement is correct about the twinkling of the stars?

1. Light from the stars get refracted by the earth's atmosphere.
2. Stars reflect sun's light in a non-uniform manner.
3. Stars keep changing their positions with respect to the observer randomly.
4. Light from the stars get reflected by the surface water droplets in the clouds.