Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 5 of 136
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Question number: 1
» Physics » Magnetism & Electricity at Work
Question
There are two electric bulbs of 40 W and 100 W. Which one will be brighter when first connected in series and then in parallel?
Choices
Choice (4) | Response | |
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a. | 40 W in series and 100 W in parallel |
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b. | 100 W in series and 40 W in parallel |
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c. | 40 W both in series and parallel will be uniform |
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d. | 100 W both in series and parallel will be uniform |
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Question number: 2
» Physics » Light
Question
An astronaut in a spaceship sees the outer space as
Choices
Choice (4) | Response | |
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a. | Blue |
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b. | White |
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c. | Black |
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d. | Red |
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Question number: 3
» Physics » Light
Question
A point object is placed at a distance of 30 cm from a convex mirror of focal length of 30 cm. The image will form at
Choices
Choice (4) | Response | |
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a. | pole |
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b. | focus |
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c. | infinity |
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d. | 15 cm behind the mirror |
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Question number: 4
» Physics » Sound
Assertion (Ꭺ)
The velocity of sound in air increases due to the presence of moisture in it.
Reason (Ꭱ)
The presence of moisture in air lowers the density of air.
Choices
Choice (4) | Response | |
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a. | Both Ꭺ and Ꭱ are false |
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b. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ |
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c. | Ꭺ is false but Ꭱ is true |
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d. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ |
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Question number: 5
» Physics » Magnetism & Electricity at Work
Question
A permanent magnet
Choices
Choice (4) | Response | |
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a. | attracts magnetic substances and repels all non-magnetic substances |
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b. | attracts all substances |
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c. | attracts only magnetic substances |
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d. | attracts non-magnetic substances and repels magnetic substances |
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