NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1040 - 1044 of 1483 Previous Page… Next Choose Programs:
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Question 1040 Question MCQ▾ Converging lens is use to produced image in a camera. If the focal length of the lens is , then what could be object distance of the lens, approximately?
Choices Choice (4) Response a.
b.
c.
d.
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Question 1041 Question MCQ▾ A ray incidents from air to surface of a medium. The angle of incident is and refractive index of the air is . If the angle of refraction is , then find the refractive index of medium.
Choices Choice (4) Response a.
b.
c.
2
d.
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Question 1042 Question MCQ▾ Which of the following physical quantity remains same, when light travels through one medium to another medium?
Choices Choice (4) Response a.
Intensity
b.
Wavelength
c.
Speed
d.
Frequency
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Question 1043 Question MCQ▾ Observe the following figure.
A Light Passing through Glass Slab Figure shows, the light ray is passing through a glass slab. Which ray is emergent ray?
Choices Choice (4) Response a.
OP
b.
NO
c.
MN
d.
There is no emergent ray
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Question 1044 Question MCQ▾ If we formed an image by a convex lens, and after that we changed lens by another thin lens, then which of the following does not affect?
Choices Choice (4) Response a.
Refractive index of lens
b.
Image distance
c.
Thickness of lens
d.
Object distance
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