Spherical Raindrop: Monochromatic Light

Q. Total Internal Reflection takes place inside a raindrop.

1. True
2. False

Q. Spherical aberration in a thin lens can be reduced by

1. Using a monochromatic light
2. Using a doublet combination
3. Using a circular annular mark over the lens
4. Increasing the size of the lens

Q.

In the formation of primary rainbow, the sunlight rays emerge at from a raindrop after

1. One internal reflection and one refraction

2. One internal reflection and two refractions

3. Two internal reflections and one refraction

4. Two internal reflections and two refractions

Q.

In the formation of primary rainbow, the sunlight rays emerge at from a raindrop after

1. One internal reflection and one refraction

2. One internal reflection and two refractions

3. Two internal reflections and one refraction

4. Two internal reflections and two refractions

Q. Total Internal Reflection takes place inside a raindrop.

1. True
2. False

Q.

In the formation of primary rainbow, the sunlight rays emerge at from a raindrop after

1. One internal reflection and one refraction

2. One internal reflection and two refractions

3. Two internal reflections and one refraction

4. Two internal reflections and two refractions

Q. Spherical aberration in a thin lens can be reduced by

1. Using a monochromatic light
2. Using a doublet combination
3. Using a circular annular mark over the lens
4. Increasing the size of the lens