Generate Quiz 69C7543535902

1 / 10

During each cycle, a heat engine with an efficiency of 25% takes in 800J of energy. How much waste heat energy is expelled in each cycle?

Elimination Tool

A) 100J

B) 200J

C) 400J

D) 600J

2 / 10

If displacement = 15 m and time t = 10 seconds, then average velocity is:

PMC Practice 1
Physics
Forces and Motion
Displacement, Velocity and Acceleration
Elimination Tool:

A) 12.5 m/s

B) 1.5 m/s

C) 2.5 m /s

D) 3 m/s

3 / 10

Two bullets are fired simultaneously, horizontally and with a different speed from the same place. Which bullet will hit the ground first?

Academy Questions
Physics
Forces and Motion
Equations of Uniformly Accelerated Motion
Elimination Tool:

A) The faster one

B) Depends on their mass

C) The slower one

D) Both will reach simultaneously

4 / 10

1 light year distance is the:

PMC Practice 5
Physics
Measurements
Physical Quantities
Elimination Tool:

A) Distance traveled by earth in one year

B) Distance traveled by a star in one year

C) Distance traveled by light in one year

D) Distance travelled by light in one galactic year

5 / 10

For one mole of gas, the relation for specific heat capacity at constant pressure ‘Cp’ and at constant volume ‘Cv’ is ________.

Elimination Tool

A) Cp + Cv = R

B) Cp – R = Cv

C) Cv – R = Cp

D) Cp + R = Cv

6 / 10

H2 and O2 both are at thermal equilibrium at temperature 300 K. Oxygen molecule is 16 times massive than hydrogen. Root mean square speed of hydrogen is:

Elimination Tool

A) 4 root mean square of oxygen

B) ¼ root mean square of oxygen

C) 1/16 root mean square of oxygen

D) 1/6 root mean square of oxygen

7 / 10

For a linear relationship between displacement and time, we get a d-t graph as?

PMC Practice 8
Physics
Forces and Motion
Displacement, Velocity and Acceleration
Elimination Tool:

A) Straight-line passing through origin

B) Straight line parallel to t- axis

C) Quadratic relationship

D) Cubic relationship

8 / 10

Doppler’s effect is used in:

Elimination Tool

A) Leather industry

B) Production of photographic supplies

C) RADAR sensors

D) None of these

9 / 10

Rate of change in displacement is known as:

PMC Sample 1
Physics
Forces and Motion
Displacement, Velocity and Acceleration
Elimination Tool:

A) Speed

B) Velocity

C) Acceleration

D) Momentum

10 / 10

A stationary wave setup in a pipe closed at one end, only odd harmonics are generated, which are given by the equation _____.

Elimination Tool

A) fn = (n*v)/(4*l) where n = 1,3,5,…

B) fn = (n+v)/(4+l) where n = 1,3,5,…

C) fn = (n*v)/(4+l) where n = 1,2,3,4,5,…

D) fn = (n*v)/(4*l) where n = 1,2,3,4,5,…

Your score is

0%

Generate Quiz 69C7543535902

PLS Academy App!

QUICK LINKS

PREP

COURSES

SUPPORT