NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2053 - 2057 of 2142
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Question number: 2053
» Rotational Motion » Frequency and Period
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A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of length l and height h. Find the time it takes to reach at bottom.
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Question number: 2054
» Rotational Motion » Angular Momentum
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An inclined plane makes an angle 30° with the horizontal. A solid sphere rolling down this inclined plane from rest without slipping has a linear acceleration equal to,
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Question number: 2055
» Ray Optics » Lens Maker's Formula and Lens Formula
Appeared in Year: 2016
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A person can see clearly object only when they lie between and from his eyes. In order to increase the maximum distance of distinct vision to infinity, the type and power of the correcting lens, the person has to use, will be:
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| a. | Convex, diopter |
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| b. | Concave, diopter |
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| c. | Convex, diopter |
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| d. | Concave, diopter |
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Question number: 2056
» Atoms and Nuclei » Radioactivity
Appeared in Year: 2016
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The half – life of a radioactive substance is . The time (in minutes) taken between 40 % decay and 85 % decay of the same radioactive substance is:
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| a. | 60 |
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| b. | 30 |
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| c. | 15 |
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| d. | 45 |
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Question number: 2057
Appeared in Year: 2016
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The interference pattern is obtained with two coherent light source of intensity ratio . In the interference pattern, the ratio will be –
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