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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209

Class 10 Physics

Chapter 12

Practice MCQs Test No 1

1 / 20

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

2 / 20

Angle of incidence is represented by

3 / 20

Which statement is correct about convex mirror?

4 / 20

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

5 / 20

Focal length of spherical mirror is R

6 / 20

Convex mirror produce images

7 / 20

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

8 / 20

Mirror formula is

9 / 20

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

10 / 20

The angle between incident ray and normal N is

11 / 20

Regular reflection is reflection by the

12 / 20

A spherical mirror whose outer curved surface is reflecting is called

13 / 20

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

14 / 20

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

15 / 20

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

16 / 20

In concave mirror the surface is reflecting;

17 / 20

According to law of reflection

18 / 20

The bending of light as it passes from one transparent medium

19 / 20

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

20 / 20

Which statement is incorrect about concave mirror?

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Practice MCQs Test No 2

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124

Class 10 Physics

Chapter 12

Practice MCQs Test No 2

1 / 20

The speed of light in water is approximately

2 / 20

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

3 / 20

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

4 / 20

1 D =?

5 / 20

No refraction occurs when the angle of incidence is

6 / 20

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

7 / 20

Lenses are used in optical devices;

8 / 20

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

9 / 20

Optical centre is represented by

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SI unit of power of lens is:

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The speed of light is greater in

12 / 20

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

13 / 20

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

14 / 20

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

15 / 20

According to law of refraction

16 / 20

In lens number of curved surfaces at least;

17 / 20

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

18 / 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;

19 / 20

Speed of light in air is approximately

20 / 20

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

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Practice MCQs Test No 3

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99

Class 10 Physics

Chapter 12

Practice MCQs Test No 3

1 / 20

For a converging lens f is;

2 / 20

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

3 / 20

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

4 / 20

Lens formula is

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It has positive focal length;

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The study of behavior of light is called;

7 / 20

Endoscope used to diagnose the stomach is;

8 / 20

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

9 / 20

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

10 / 20

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

11 / 20

For seeing tiny objects we use microscope of;

12 / 20

Optical device is;

13 / 20

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

14 / 20

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

15 / 20

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

16 / 20

Endoscope which is used to diagnose throat is;

17 / 20

Which statement is correct about image formed by camera?

18 / 20

Which statement is correct about compound microscope?

19 / 20

When object is at F the image is;

20 / 20

The working principle of photograph enlarger is the same as;

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Practice MCQs Test No 4

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101

Class 10 Physics

Chapter 12

Practice MCQs Test No 4

1 / 17

Long sightedness is removed by:

2 / 17

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

3 / 17

Human eye acts like;

4 / 17

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

5 / 17

Farsightedness is corrected by using;

6 / 17

Near point of a normal human being is:

7 / 17

The variation of focal length of eye lens is called;

8 / 17

The magnification of compound microscope is;

9 / 17

Power of concave lens is:

10 / 17

Short sighted may be due to eyeball being

11 / 17

Light enters the eye through transparent membrane called;

12 / 17

Long sightedness is caused due to ________ eye ball:

13 / 17

Have ability to move eye lens forward or backward.

14 / 17

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

15 / 17

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

16 / 17

Magnification of telescope can be determined by using formula;

17 / 17

The nearsighted eye can be corrected by using;

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