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Question 1

.Assertion: A normal human eye can clearly see all the objects at the different distance. Reasoning: The human eye has the capacity to suitably adjust the focal length of its lens to a certain extent.

Question

(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...

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Class 10 science 3 years 1 Answer 12 views Enlightened 0

Question 2

9.Assertion: When a pencil is partly immersed in water and held obliquely to the surface, the pencil appears to bend at the water surface. Reason: The apparent bending of the pencil is due to the refraction of light when it passes from water to air

Question

(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...

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Class 10 science 3 years 1 Answer 157 views Enlightened 0

Question 3

.Assertion: Concave mirrors are used as reflectors in torches, vehicle head-lights and in search lights. Reason: When an object is placed beyond the centre of curvature of a concave mirror, the image formed is real and inverted.

Question

(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...

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Class 10 science 3 years 1 Answer 214 views Enlightened 0

Question 4

Assertion: Myopia is the defect of vision in which a person cannot see the distant objects clearly. Reason: This due to eye-ball being too short

Question

(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...

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Class 10 science 3 years 1 Answer 50 views Enlightened 0

Question 5

.Assertion: The near-point of a hypermetropic eye is more than 25 cm away. Reason: Hypermetropia is corrected using spectacles containing concave lense

Question

(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...

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Class 10 science 3 years 1 Answer 57 views Enlightened 0

Question 6

Assertion: On mid-day, the colour of the sunlight becomes white. Reason: No atmospheric refraction is caused due to overhead sun.

Question

(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...

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Class 10 science 3 years 1 Answer 292 views Enlightened 0

Question 7

Assertion: On a clear summer night twinkling of stars is observed. Reason: The twinkling of stars is caused by dispersion of star light by the atmosphere.

Question

(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...

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Class 10 science 3 years 1 Answer 302 views Enlightened 0

Question 8

Assertion: Tyndall Effect is an optical phenomenon of light used to explain atmospheric refraction. Reason: The tiny particles of dust disperse sunlight in it falls through foliage in a forest.

Question

(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...

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Class 10 science 3 years 1 Answer 22 views Enlightened 0

Question 9

Assertion: Blind spot is a small the eye. Reason: There are no rods or cones present at the junction of optic nerve and retina in the eye

Question

(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...

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Class 10 science 3 years 1 Answer 15 views Enlightened 0

Question 10

A glass slab is placed over a page on which the word VIBGYOR is printed with each letter in corresponding colour. Then, which of the following is correct?

Question

(a)The images of all the letters will be in the sameplace as that on paper (b) Letter V is raised more (c)Letter R is raised more (d) None of the above

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Class 10 science 3 years 1 Answer 16 views Enlightened 0

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