What is the principle of reversibility of light?

Important Questions on Light: Reflection and Refraction from Plane Surface

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 16

State the reason for the position of fish in a pond is not same as it is observed from outside. 

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 16

State the reason for the bubble of air shines in water.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 16

How we can say that mirage is an illusion?

HARD

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 17

Prove that the length of the mirror required to view the complete image of an object is half of the height of the object.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 18

What do you mean by refraction of light? How it is different from reflection of light?

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 19

If the absolute refractive index of glass is $3/2$ and that of water is $5/4$, then find the ratio of speed of light in water and to that in glass.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 20

A fish seems to be at a depth of $75 \mathrm{cm}$ from the surface. What is the actual distance from the surface in $\mathrm{cm}$? (Refractive index of water is $1.33$)