Test Details

Light

Nov 08, 6:55 PM

90 minutes

Nov 08, 8:25 PM

30.0 marks

MCQ

30 questions

manish sahu

MTECH (IIT DELHI)

Class Details

Maths

10th

Maths

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Triangles

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Nov 27, 2021

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Quadrilaterals

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Nov 25, 2021

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Probability

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Nov 25, 2021

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Chapter 2

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Nov 23, 2021

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Gravitation

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Nov 22, 2021

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Nov 22, 2021

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Chapter 1

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Nov 21, 2021

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Nov 19, 2021

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Nov 19, 2021

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Nov 18, 2021

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Nov 18, 2021

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Motion

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Nov 17, 2021

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Question Text

Question 1 :
The splitting of white light into its colored components is called _____.

Question 3 :
Image forming light sensitive screen of the eye is known as __________ and it contains __________.

Question 5 :
Plane mirrors are arranged parallel to each other to get :

Question 8 :
A student can distinctly see the object upto a distance $15\ cm$. He wants to see the black board at a distance of $3\ m$. Focal length and power of lens used respectively will be

Question 9 :
The colour are characterised by which of following character of light.

Question 12 :
The impression of an image does not vanish immediately from the retina. It persists there for about $1/6^{th}$ of a second.

Question 14 :
Fill in the blank spaces by choosing the correct words from the list given below: List : yellow spot, principal focus, less, shutter, more.The small but very light sensitive area on the retina is called __________.

Question 16 :
Which of the following is a correct way by which we can take care of our eyes?

Question 17 :
Which of the following optical phenomena is used in cinematography or movie projectors?

Question 19 :
The following properties belong to which part of the eye? a. It is present between the lens and the cornea. b. It acts as a protective layer. c. It maintains the pressure of the eye and provides nutrition.

Question 20 :
Splitting of light into its constituent colours is known as :

Question 24 :
The nature of image formed on theretina of human eye is:

Question 26 :
When white light enters a prism, it gets split into its constituent colours. This is due to:

Question 27 :
There is a pattern observed in the number of sum spots appearing every year called as

Question 28 :
In periscopes, the parallel rays entering the cylindrical tube from the upper end from an object, strike the plane mirror at an angle of _____ and hence are reflected through an angle of ________.

Question 29 :
The eye consists of a screen called ______, on which the light rays are focused.

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