Physics 10 Unit 12 MCQs Tests

In this post, we have prepared 4 MCQs tests of Federal Board Physics 10 Unit 12 MCQs Tests. For more Class 10 Physics MCQs Tests visit this page.


Physics 10 Unit 12 MCQs Tests


Practice MCQs Test No 1

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216

Class 10 Physics

Chapter 12

Practice MCQs Test No 1

1 / 20

The relationship between object distance p, image distance q focal length of the mirror is called;

2 / 20

The bending of light as it passes from one transparent medium

3 / 20

Angle of incidence is represented by

4 / 20

Mirror formula is

5 / 20

A spherical mirror whose outer curved surface is reflecting is called

6 / 20

Vertex is the midpoint of the curved surface of spherical mirror is also called

7 / 20

The angle between the normal and the reflected ray is called angle of

8 / 20

Which statement is incorrect about concave mirror?

9 / 20

The distance from the pole to the principal focus measured along the principal axis is

10 / 20

Focal length of spherical mirror is R

11 / 20

The angle between incident ray and normal N is

12 / 20

According to law of reflection

13 / 20

In concave mirror the surface is reflecting;

14 / 20

Regular reflection is reflection by the

15 / 20

Which statement is correct about convex mirror?

16 / 20

The rough surfaces of object reflect the rays of light in many directions is called

17 / 20

A line joining centre of curvature and pole of the spherical mirror is

18 / 20

Convex mirror produce images

19 / 20

The incident ray, the normal, and the reflected ray at the point of incidence all lie in the

20 / 20

Plank suggested that light consists of small packets of energy called:

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Practice MCQs Test No 2

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126

Class 10 Physics

Chapter 12

Practice MCQs Test No 2

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\( \frac { sin\quad i }{ sin\quad r } =\quad n\quad =\quad \frac { { n }_{ 2 } }{ { n }_{ 1 } }  \) is called

2 / 20

Lens thick at the centre but thin at the edges is;

3 / 20

For a concave lens, the parallel rays appear to come from a point behind the lens is called

4 / 20

When a ray of light enters from a denser medium to a rarer medium

5 / 20

Lenses are used in optical devices;

6 / 20

The speed of light is greater in

7 / 20

\( \frac { speed\quad of\quad light\quad in\quad vacuum }{ speed\quad of\quad light\quad in\quad medium } =\quad ? \)

8 / 20

SI unit of power of lens is:

9 / 20

In lens number of curved surfaces at least;

10 / 20

1 D =?

11 / 20

The distance between the optical centre and the principal focus is.

12 / 20

It is a transparent body (made of optical glass) with at least two polished plane faces inclined towards each other from which light is refracted;

13 / 20

No refraction occurs when the angle of incidence is

14 / 20

The speed of light in water is approximately

15 / 20

The angle of incidence that causes the refracted ray in the rarer medium to bend through 99ᵒ is called

16 / 20

Speed of light in air is approximately

17 / 20

The line passing through the two centres of curvatures of the lens is called

18 / 20

Optical centre is represented by

19 / 20

The lens which causes incident parallel rays to converge at a point is;

20 / 20

According to law of refraction

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Practice MCQs Test No 3

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90

Class 10 Physics

Chapter 12

Practice MCQs Test No 3

1 / 20

The image with convex lens is formed at 2F, real, Inverted, the same size as the object when the object is placed at:

2 / 20

In case of photograph enlarger the object is placed at distance;

3 / 20

Lens formula is

4 / 20

A magnifying glass is a convex lens which is used to produce magnified images of small objects. It is also called;

5 / 20

Endoscope used to diagnose the stomach is;

6 / 20

Optical device is;

7 / 20

Which pipe is a bundle of thousands of optical fibers bounded together?

8 / 20

In mirrors images are formed through reflection, but lenses form images through;

9 / 20

The working principle of photograph enlarger is the same as;

10 / 20

In case of convex lens when object is placed beyond 2F, the Image is formed;

11 / 20

For seeing tiny objects we use microscope of;

12 / 20

When object is at F the image is;

13 / 20

It has positive focal length;

14 / 20

It is used to explore the interior organs of the body?

15 / 20

Which statement is correct about image formed by camera?

16 / 20

Endoscope which is used to diagnose throat is;

17 / 20

The study of behavior of light is called;

18 / 20

Which statement is correct about compound microscope?

19 / 20

If the object is on the right side of the lens then p is;

20 / 20

For a converging lens f is;

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Practice MCQs Test No 4

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100

Class 10 Physics

Chapter 12

Practice MCQs Test No 4

1 / 17

Farsightedness is corrected by using;

2 / 17

The disability of the eye to form distinct images of nearby object on retina is called forsightedness or:

3 / 17

Power of concave lens is:

4 / 17

Light enters the eye through transparent membrane called;

5 / 17

Magnification of telescope can be determined by using formula;

6 / 17

Have ability to move eye lens forward or backward.

7 / 17

Human eye acts like;

8 / 17

Long sightedness is removed by:

9 / 17

When people cannot see distant objects dearly without the aid of spectacles the defect of vision is;

10 / 17

Near point of a normal human being is:

11 / 17

The magnification of compound microscope is;

12 / 17

It is an optical instrument which is used to observe distant objects using lens or mirror;

13 / 17

Short sighted may be due to eyeball being

14 / 17

Long sightedness is caused due to ________ eye ball:

15 / 17

The nearsighted eye can be corrected by using;

16 / 17

The variation of focal length of eye lens is called;

17 / 17

The coloured portion of eye controls the amount of light reaching the retina.

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