Class 12 Physics Chapter 9 Online Test

Class 12 Physics Chapter 9 Online Test – Ray Optics and Optical Instruments

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Class 12 Physics Chapter 9 Online Test 2027: हेलो बच्चों, Ray Optics and Optical Instruments (किरण प्रकाशिकी और प्रकाशीय उपकरण) Class 12 Physics का महत्वपूर्ण Chapter है। इस Chapter से जुड़े महत्वपूर्ण Questions की Practice के लिए यहां Online Test उपलब्ध है।

इस अध्याय में Reflection, Refraction, Spherical Mirrors, Lenses, Lens Formula, Total Internal Reflection, Optical Instruments और Prism जैसे Topics शामिल हैं।

Class 12 Physics Chapter 9 Online Test

देखें इस पोस्ट में क्या-क्या है -

Class 12 Physics Chapter 9 Online Test 2027

Physics Board Exam में Optics से जुड़े Questions की तैयारी के लिए Concepts, Formula और Numerical Questions का अभ्यास करना जरूरी है। नीचे दिए गए Chapter Wise Test को Attempt करके विद्यार्थी अपनी तैयारी Check कर सकते हैं।

1

12th Physics Chapter 9 MCQ Test

तैयारी में दम है तो 35 में से 33 सही करके दिखाओं।

1 / 35

When a Ray of light enters a glass slab its wavelength

2 / 35

Lesser beam is

3 / 35

The magnifying power of a magnifying glass of power 12 dioptre is

4 / 35

Minimum distance between real image formed by convex lens and object is-

5 / 35

Rainbow is a natural example of

6 / 35

The radius curvature of plane mirror is

7 / 35

Cylindrical lens is used to correct -

8 / 35

Magnification is the ratio of -

9 / 35

When the tube length of microscope is increased, it's magnifying power

10 / 35

In plane mirror, the image is -

11 / 35

SI unit of power of lens is -

12 / 35

Or increasing the length of the tube of compound microscope, magnifying power

13 / 35

When any convex lens is drown into water then its power

14 / 35

To remove hypermetropia (long sightedness) lens used is-

15 / 35

Which has larger difference in focal length between eye lens and objective lens ?

16 / 35

To overcome astigmatism lens used is -

17 / 35

The refractive index of diamond is about

18 / 35

An air bubble inside water works as-

19 / 35

The lens which is used to remove short sightedness is

20 / 35

The radius of curvature of a spherical mirror is 40cm . It's focal length will be

21 / 35

Optical fibre communication is based on which of the following phenomena-

22 / 35

For which of the following pairs is the critical angle the smallest?

23 / 35

The dispersive power of a prism depends upon -

24 / 35

Which of the following phenomena taken place when a monochromatic light is incident on a prism?

25 / 35

A convex lens is dipped in a liquid, whose refractive index is equal to refractive index of material of lens, then it's focal length will -

26 / 35

The image formed by objective lens of a compound microscope is-

27 / 35

Cause of mirage is

28 / 35

When concave lens of glass is immersed in water , it becomes

29 / 35

The power of convex lens of focal length 20 cm in dioptre is

30 / 35

The power of a convex lens of focal length 10 cm will be

31 / 35

The focal length of plane mirror is-

32 / 35

The final image in astronomical telescope is

33 / 35

When there is a refraction of light then which of the following does not change?

34 / 35

When length of compound microscope increases its magnifying power-

35 / 35

The optical fibre works on the principle of

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Test पूरा करने के बाद अपना Score देखें और गलत Questions को दोबारा हल करें। जिन Formula या Concepts में समस्या हो, उनका Revision करें।

यह Online Test Class 12th Physics के विद्यार्थियों के लिए Chapter 9 के Revision और Objective Questions की Practice में मददगार हो सकता है।

Chapter: Ray Optics and Optical Instruments
Hindi: किरण प्रकाशिकी और प्रकाशीय उपकरण
Class: 12th
Subject: Physics

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