Question # 1

According to law of conservation of energy increases K.E is equal to:

Choose an answer

Increase P.E

Decrease P.E

Decrease K.E

None of these

Dependent quantities are taken on

Choose an answer

x - axis

-ve x -axis

y-axis

- y-axis

If the velocity of a body becomes double, then its kinetic energy will:

Choose an answer

Remain the same

Become double

Become four time

Become half

The direction of momentum is

Choose an answer

opposite to motion

Along the velocity

Perpendicular to motion

None of these

Which one is more elastic ?

Choose an answer

Rubber

Steel

Copper

All has equal values

There are types of thermometer:

Choose an answer

1

2

3

4

Einstein mass energy equation is:

Choose an answer

E = mc

E = m2 c

E = mc2

E2 = mc

The unit of strain is:

Choose an answer

Nm^-2

Pa

Newton

None

In how many division Fahrenheit scale is divided?

Choose an answer

100

273

180

50

S.I unit of gravitational field strength is:

Choose an answer

Nkg

Nkg^-1

Nkg^-2

Nkg^-3

Einstein's mass-energy equation relation is:

Choose an answer

E =1/2 mc²

E =mc²

E =m²c

E = 2 mc²

All forces are example of contract forces except:

Choose an answer

Air resistance

Tensional

Push force

Gravitational

The kinetic energy of a body of mass 2 kg is 25 J. Its speed is:

Choose an answer

5 ms^-1

12.5 ms^-1

25 ms^-1

50 ms^-1

More Classes

Other Links

Physics 9th Class English Medium Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer