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Refraction Of Light - Practice Test, Class 10 Science - Class 10 MCQ


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22 Questions MCQ Test - Refraction Of Light - Practice Test, Class 10 Science

Refraction Of Light - Practice Test, Class 10 Science for Class 10 2024 is part of Class 10 preparation. The Refraction Of Light - Practice Test, Class 10 Science questions and answers have been prepared according to the Class 10 exam syllabus.The Refraction Of Light - Practice Test, Class 10 Science MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Refraction Of Light - Practice Test, Class 10 Science below.
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Refraction Of Light - Practice Test, Class 10 Science - Question 1

The bending of a beam of light when it passes obliquely from one medium to another is known as _______. 

Refraction Of Light - Practice Test, Class 10 Science - Question 2

The part of the lens through which the ray of light passes without suffering deviation is called ________. 

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Refraction Of Light - Practice Test, Class 10 Science - Question 3

Convex lens always gives a real image if the object is situated beyond _______. 

Refraction Of Light - Practice Test, Class 10 Science - Question 4
Parallel rays of light entering a convex lens always converge at _______. 
Refraction Of Light - Practice Test, Class 10 Science - Question 5

Where should an object be placed so that a real and inverted image of the same size is obtained, using a convex lens? 

Detailed Solution for Refraction Of Light - Practice Test, Class 10 Science - Question 5

When object is placed at 2F¹ (centre of curvature) distance from the optical centre on the optic axis of a converging lens a true and inverted image of an equivalent size of the object is made.

Refraction Of Light - Practice Test, Class 10 Science - Question 6
SI unit of the power of a lens is ___________. 
Refraction Of Light - Practice Test, Class 10 Science - Question 7
1 D is the power of the lens of focal length of ______ cm.  
Refraction Of Light - Practice Test, Class 10 Science - Question 8
In a simple microscope lens used is __________. 
Refraction Of Light - Practice Test, Class 10 Science - Question 9
Reciprocal of focal length in metres is known as the ______ of a lens. 
Refraction Of Light - Practice Test, Class 10 Science - Question 10
A convex lens is called _________.
Refraction Of Light - Practice Test, Class 10 Science - Question 11
A positive magnification greater than unity indicates _____________________. 
Refraction Of Light - Practice Test, Class 10 Science - Question 12
The power of a convex lens of focal length 50 cm is ______.  
Refraction Of Light - Practice Test, Class 10 Science - Question 13
The focal length of a lens whose power is -1.5 D is _______. 
Refraction Of Light - Practice Test, Class 10 Science - Question 14
Real images formed by single convex lenses are always ________________.
Refraction Of Light - Practice Test, Class 10 Science - Question 15
An object is placed 12 cm from a convex lens whose focal length is 10 cm. The image must be.  
Refraction Of Light - Practice Test, Class 10 Science - Question 16
When a person uses a convex lens as a simple magnifying glass, the object must be placed at a distance. 
Refraction Of Light - Practice Test, Class 10 Science - Question 17
The image produced by a concave lens is ________.  
Refraction Of Light - Practice Test, Class 10 Science - Question 18
A virtual image is formed by _______.  
Refraction Of Light - Practice Test, Class 10 Science - Question 19
An object is placed 25 cm from a convex lens whose focal length is 10 cm. The image distance is ________ cm.  
Refraction Of Light - Practice Test, Class 10 Science - Question 20
The least distance of distinct vision is ______. 
Refraction Of Light - Practice Test, Class 10 Science - Question 21
A convex lens has a focal length of 20 cm. Its power in dioptre is ___________. 
Refraction Of Light - Practice Test, Class 10 Science - Question 22
An object is placed before a concave lens. The image formed _____________-. 
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