Classical Mechanics-Relativistic Kinematics (GATE (Graduate Aptitude Test in Engineering) Physics): Questions 5 - 9 of 16

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 659 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 5

» Classical Mechanics » Relativistic Kinematics

Appeared in Year: 2012

MCQ▾

Question

A rod of proper length oriented parallel to the X- axis moves with speed along the Y – axis in the S – frame, where C is the speed of light in free space. The observer is also moving along the X – axis with speed with respect to the S – frame. The length of the rod as measured by the observer is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 6

» Classical Mechanics » Relativistic Kinematics

Appeared in Year: 2013

MCQ▾

Question

An electron is moving with a velocity of in the same direction as that of a moving photon. The relative velocity of the electron with respect to photon is –

Choices

Choice (4) Response

a.

b.

c.

d.

f

Question number: 7

» Classical Mechanics » Relativistic Kinematics

Appeared in Year: 2013

MCQ▾

Question

The relativistic form of Newton’s second law of motion is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 8

» Classical Mechanics » Relativistic Kinematics

Appeared in Year: 2010

MCQ▾

Question

A meson at rest decays into two photons, which move along the axis. They are both detected simultaneously after a time, . In an inertial frame moving with a velocity in the direction of one of the photons, the time interval between the two detections is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 9

» Classical Mechanics » Relativistic Kinematics

Appeared in Year: 2009

MCQ▾

Question

Assuming the mean life time of a muon (in its rest frame) to be , its life time in the laboratory frame, when it is moving with a velocity is –

Choices

Choice (4) Response

a.

b.

c.

d.

f Page
Sign In