Physics 10 Unit 12 MCQs Tests

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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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Class 10 Physics

Chapter 12

Practice MCQs Test No 1

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Convex mirror produce images

2 / 20

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

3 / 20

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

4 / 20

The angle between incident ray and normal N is

5 / 20

Focal length of spherical mirror is R

6 / 20

Which statement is correct about convex mirror?

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

8 / 20

A spherical mirror whose outer curved surface is reflecting is called

9 / 20

Which statement is incorrect about concave mirror?

10 / 20

Mirror formula is

11 / 20

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

12 / 20

Regular reflection is reflection by the

13 / 20

The bending of light as it passes from one transparent medium

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Angle of incidence is represented by

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According to law of reflection

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

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

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

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

20 / 20

In concave mirror the surface is reflecting;

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Practice MCQs Test No 2

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Class 10 Physics

Chapter 12

Practice MCQs Test No 2

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The speed of light in water is approximately

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In lens number of curved surfaces at least;

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

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

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Lenses are used in optical devices;

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Optical centre is represented by

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

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Speed of light in air is approximately

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

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SI unit of power of lens is:

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The speed of light is greater in

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No refraction occurs when the angle of incidence is

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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;

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

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

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

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

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According to law of refraction

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1 D =?

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

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Practice MCQs Test No 3

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Class 10 Physics

Chapter 12

Practice MCQs Test No 3

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When object is at F the image is;

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Which statement is correct about compound microscope?

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

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

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Endoscope which is used to diagnose throat is;

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The working principle of photograph enlarger is the same as;

7 / 20

Which statement is correct about image formed by camera?

8 / 20

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

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For a converging lens f is;

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

11 / 20

Lens formula is

12 / 20

Endoscope used to diagnose the stomach is;

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

14 / 20

Optical device is;

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

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The study of behavior of light is called;

17 / 20

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

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

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For seeing tiny objects we use microscope of;

20 / 20

It has positive focal length;

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Practice MCQs Test No 4

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Class 10 Physics

Chapter 12

Practice MCQs Test No 4

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Long sightedness is caused due to ________ eye ball:

2 / 17

Short sighted may be due to eyeball being

3 / 17

The variation of focal length of eye lens is called;

4 / 17

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

5 / 17

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

6 / 17

Farsightedness is corrected by using;

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The nearsighted eye can be corrected by using;

8 / 17

Have ability to move eye lens forward or backward.

9 / 17

Near point of a normal human being is:

10 / 17

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

11 / 17

The magnification of compound microscope is;

12 / 17

Light enters the eye through transparent membrane called;

13 / 17

Power of concave lens is:

14 / 17

Long sightedness is removed by:

15 / 17

Human eye acts like;

16 / 17

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

17 / 17

Magnification of telescope can be determined by using formula;

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