NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2099 - 2102 of 2184

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Question number: 2099

» Laws of Motion » Law of Conservation of Linear Momentum

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Appeared in Year: 2016

MCQ▾

Question

A bullet of mass moving horizontally with a velocity of strikes of wooden block of mass which is suspended by a light inextensible string of length . As a result the centre of gravity of the block is found to rise a vertical distance of . The speed of the bullet after it emerges out horizontally from the block will be –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2100

» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring

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Appeared in Year: 2017

MCQ▾

Question

A spring of force constant is cut into lengths of ratio . They are connected in series and the new force constant is . Then they are connected in parallel and force constant is . Then is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2101

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

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Appeared in Year: 2017

MCQ▾

Question

A Turn rectangular coil of length and width carries a current of are subjected to a magnetic field of strength Work done for rotating the coil by against the torque is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2102

» Experimental Skills » Potentiometer

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Appeared in Year: 2017

MCQ▾

Question

A potentiometer is an accurate and versatile device to make electrical measurements of E. M. F. because the method involves:

Choices

Choice (4) Response

a.

A combination of cells, galvanometer and resistance

b.

Cell

c.

A condition of no current flow through the galvanometer

d.

Potential gradients