Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 5

EASY

10th Chhattisgarh Board

IMPORTANT

Earn 100

The refractive indices of medium A and B are $n_{A}$ and $n_{B}$ respectively. From going which medium to which medium total internal reflection is possible? Given that $n_{A} > n_{B}$ .

Important Questions on Light: Reflection and Refraction from Plane Surface

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 6

What is the total internal reflection and what are the necessary conditions for it to take place?

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 7

Give two examples where refraction is seen in daily life.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 8

What do you understand by critical angle?

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 9

Light travels from air to glass slab having refractive index of

1.50

. What will be the speed of light in glass in the order of

10^{8}

in

m / s

? Speed of light in vacuum is

3 \times 10^{8} m / s

.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

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

Refractive index of diamond is

2.42

. Explain this statement.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 11

A light ray travelling in the air enters the ice. Will the light ray move away from the normal or towards the normal? Why?

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 12

If we increase the distance between the plane mirror and the object, then what would be the effect on the distance between the image and object?

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 10 - Light: Reflection and Refraction from Plane Surface>Exercise>Q 13

What is the difference between virtual image and real image?