10th Sci Exemplar All physics questions

10th Sci Exemplar All physics questions

10th Grade

60 Qs

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10th Sci Exemplar All physics questions

10th Sci Exemplar All physics questions

Assessment

Quiz

Science

10th Grade

Practice Problem

Medium

Created by

Akshay Aggarwal

Used 4+ times

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60 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following can make a parallel beam of light when light from a point source is incident on it?

Concave mirror as well as convex lens
Convex mirror as well as concave lens
Two plane mirrors placed at 90° to each other
Concave mirror as well as concave lens

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is

– 30 cm
– 20 cm
– 40 cm
– 60 cm

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Under which of the following conditions a concave mirror can form an image larger than the actual object?

When the object is kept at a distance equal to its radius of curvature
When object is kept at a distance less than its focal length
When object is placed between the focus and centre of curvature
When object is kept at a distance greater than its radius of curvature

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Figure 10.1 shows a ray of light as it travels from medium A to medium B. Refractive index of the medium B relative to medium A is

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be

greater than unity
less than unity
equal to unity
zero

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the Figure 10.3. Which of the following could be inside the box?

A rectangular glass slab
A convex lens
A concave lens
A prism

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A beam of light is incident through the holes on side A and emerges out of the holes on the other face of the box as shown in the Figure . Which of the following could be inside the box?

Concave lens
Rectangular glass slab
Prism
Convex lens

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