Dawn of Modern Physics - Set 1

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Dawn of Modern Physics - Set 1

MM

Mashaal Masha

Oct 16, 2022

Choose the correct options for the following questions.

The concept of direction is purely:

Difficulty: Easy

A:

Absolute

B:

Relative

C:

Relative to stars always

D:

Relative to the sun always

All motions are:

Difficulty: Easy

A:

Relative to a person

B:

Relative to the instrument observing it

C:

The special theory of relatively treats the problems involving:

D:

Both a and b

A body at rest remains at rest unless:

Difficulty: Easy

A:

A balanced force produces motion in it

B:

An unbalanced force produces acceleration in it

C:

A unbalanced force does not produce acceleration in it

D:

A balanced force produces acceleration in it

Strictly speaking, the earth is:

Difficulty: Easy

A:

An acceleration frame of reference

B:

A non-inertial frame of reference

C:

An inertial frame of reference

D:

Both a and b

The special theory of relatively treats the problems involving:

Difficulty: Easy

A:

Inertial frames of reference

B:

Non-inertial frames

C:

Non-accelerated frames

D:

Both a and c

The general theory of relatively treats the problems involving frames of reference which are:

Difficulty: Easy

A:

Inertial

B:

Accelerating with respect to one another

C:

Accelerating with respect to a particular star

D:

Moving with uniform velocity

The special theory of relatively is based on:

Difficulty: Easy

A:

Four postulates

B:

Three postulates

C:

Two postulates

D:

One postulate

There is no way to detect:

Difficulty: Easy

A:

Absolute uniform motion

B:

Accelerated motion

C:

State of rest

D:

State of motion

Time:

Difficulty: Easy

A:

Is an absolute quantity

B:

Is relative

C:

Depends upon motion of frame

D:

All above

The symbol to be used in relativity problems denotes:

Difficulty: Easy

A:

Dilated time

B:

Proper time

C:

Life time

D:

Half time