NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics: Questions 2114  2117 of 2184
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Question number: 2114
» Atoms and Nuclei » Radioactive Decay Law
Appeared in Year: 2017
Question
Radioactive material has decay constant and material has decay constant . Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material to that will be ?
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Question number: 2115
» Properties of Solids & Liquids » Bulk Modulus
Appeared in Year: 2017
Question
The bulk modulus of a spherical object is . If it is subjected to uniform pressure , the fractional
Decrease in radius is:
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Question number: 2116
Appeared in Year: 2017
Question
A rope is wound around a hollow cylinder of mass and radius . What is the angular acceleration of the cylinder if the rope is pulled with a force of ?
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Question number: 2117
» Magnetic Effects of Current and Magnetism » Earth's Magnetic Field
Appeared in Year: 2017
Question
If and be the apparent angles of dip observed in two vertical planes at right angles to each other, then the true angle of dip is given by –
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