NEET Physics: Questions 2098 - 2100 of 2142

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Question number: 2098

» Laws of Motion » Law of Conservation of Linear Momentum

Appeared in Year: 2016

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2099

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

Appeared in Year: 2017

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2100

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

Appeared in Year: 2017

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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