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MCQ's Test For ECAT Physics Chapter 4 Work and Energy
Try The MCQ's Test For ECAT Physics Chapter 4 Work and Energy
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 4 Work and Energy
00:00
Question # 1
The tidal energy is due to gravitational pull of :
Question # 2
When velocity of moving body is doubled, the quantity which is also doubled is its:
Question # 3
A 100 Kg car is moving at the speed of 10 m/sec and comes to rest after covering a distance of 50 m. The amount of work done against the friction is:
Question # 4
Work done is maximum when angle between force and displacement is:
Question # 5
If work is done at the rate of 2 k j per second, then total work done is half an hour will be:
Question # 6
The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is
Question # 7
Which of the following is not a unit of power:
Question # 8
Which of the following type of force can do no work on the particle on which it acts:
Question # 9
Work done in lower and bucket into the well is:
Question # 10
The work done in moving a body between two points in a conservation field is independent of the:
Question # 11
The work done by a force, keeping an object in circular motion with constant speed is:
Question # 12
Most of the geysers occur in:
Question # 13
Power is a :
Question # 14
The work done in moving a body between two points in a conservative field is independent of the
Question # 15
The unit of work in CGS system is
Top Scorers Of ECAT Physics Chapter 4 Work and Energy MCQ`s Test
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D dark goblin 10 - Jul - 2024 00 Min 49 Sec 60/60 -
A ali moid 21 - Jul - 2024 00 Min 57 Sec 60/60 -
Z Z G 07 - Jun - 2024 01 Min 52 Sec 60/60 -
A Ahmad Khan 23 - Aug - 2024 04 Min 49 Sec 60/60 -
M Manoush Fatima 29 - May - 2024 06 Min 16 Sec 60/60 -
S Sara Hannan 28 - Nov - 2024 06 Min 23 Sec 60/60 -
T Tasser Haider 30 - May - 2024 02 Min 08 Sec 55/60 -
A Abdullah Baloch 08 - Aug - 2024 02 Min 22 Sec 55/60 -
M Muhammad Hashim 31 - May - 2024 02 Min 23 Sec 55/60 -
Z Zain hassan Zain 22 - May - 2024 02 Min 34 Sec 55/60 -
M Mian House 18 - May - 2024 03 Min 28 Sec 55/60 -
A Adil Tarar 18 - Dec - 2024 07 Min 44 Sec 55/60 -
M Maham Mehar 30 - Jul - 2024 09 Min 50 Sec 55/60 -
K Kifayet Ali 27 - May - 2024 05 Min 33 Sec 50/60 -
M M And M Gaming 04 - Jun - 2024 08 Min 49 Sec 50/60
ECAT Physics Chapter 4 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is: |
A. 2 J
B. 0.25 J
C. 1 J
D. 0.5 J
|
| 2 | Work done in lower and bucket into the well is: |
A. Zero
B. Positive
C. Negative
D. None of these
|
| 3 | Most of the geysers occur in: |
A. Volcanic regions
B. Magnetic regions
C. Northern region
D. None of these
|
| 4 | A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, which makes and angle of 60° with the horizontal. The work done by the boy is: |
A. 1.25 J
B. 12.5 J
C. 125 J
D. None of these
|
| 5 | The unit of work in CGS system is |
A. Joule
B. Erg
C. Dyne
D. Watt
|
| 6 | A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body is: |
A. 0°
B. 30°
C. 60°
D. 90°
|
| 7 | Teh consumption of energy by a 1000 watt heater in half an hour is: |
A. 5 Kwh
B. 0.5 Kwh
C. 2.5 Kwh
D. 3.2 Kwh
|
| 8 | Tick the conservation force: |
A. Tension in a string
B. Air resistance force
C. Elastic spring
D. Frictional force
|
| 9 | When a falling body hits ground, its KE changes to _____ energy. |
A. Potential
B. Chemical
C. Mechanical
D. sound and heat
|
| 10 | Maximum work is done when force and displacement are |
A. Parallel
B. Antiparallel
C. Perpendicular
D. Both a and b
|
Test Questions
