AP (Advanced Placement) Physics(B-C): Questions 453 - 457 of 921

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Question number: 453

» Atomic & Nuclear Physics

MCQ▾

Question

If the half – life of a radioactive isotope is , then what is the decay constant of it?

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None of the above

Question number: 454

» Electrostatics

MCQ▾

Question

Two particles of charges and , are separated to . How much electrostatic force is acting on particle of charge due to particle of charge ?

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Question does not provide sufficient data or is vague

Question number: 455

» Fluids & Solids

MCQ▾

Question

A tall tank has a bottom area of . It is filled to a depth of with fresh water. What is the fluid force on bottom of the tank?

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None of the above

Question number: 456

» Fluids & Solids

MCQ▾

Question

A mass of is hung from a metallic wire. The elastic limit of the wire is and Young’s modulus of the wire is . What should be the minimum radius of the wire, so that elastic limit is not exceeded?

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All of the above

Question number: 457

» Fluids & Solids

MCQ▾

Question

If the Young’s modulus of a wire is , then how much force is applied to stretch a wire in cross section to of its length?

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Question does not provide sufficient data or is vague

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