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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
If force and displacement are in opposite direction, the work done is taken as
Question # 2
Work done is independent of path followed in _______
Question # 3
Watt x second is unit of:
Question # 4
The work done by a force, keeping an object in circular motion with constant speed is:
Question # 5
Tick the conservation force:
Question # 6
When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is:
Question # 7
When a falling body hits ground, its KE changes to _____ energy.
Question # 8
Work done by the force of friction is always
Question # 9
The unit of work in CGS system is
Question # 10
Energy stored in the spring of a watch is called
Question # 11
A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:
Question # 12
Work done along a closed path in a gravitational field is:
Question # 13
When a body moves against the force of friction on a horizontal plane, the work done by the body is:
Question # 14
When the body is moves against the force of friction on a horizontal plane, the work done by the body is:
Question # 15
The tidal energy is produced due to rotation of Earth relative to:
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 -
H Hussain Iqbal 23 - Jan - 2026 01 Min 25 Sec 56/60 -
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 -
A Adil Tarar 18 - Dec - 2024 07 Min 44 Sec 55/60 -
M Maham Mehar 30 - Jul - 2024 09 Min 50 Sec 55/60 -
S Saira Idrees 30 - Mar - 2026 02 Min 27 Sec 52/60 -
M Muneeb ur Rehman 30 - Jun - 2026 02 Min 53 Sec 52/60 -
K Kifayet Ali 27 - May - 2024 05 Min 33 Sec 50/60
ECAT Physics Chapter 4 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The consumption of energy by a 60 W bulb in 2 minutes is: |
A. 2 watt-hour
B. 120 watt-hour
C. 30 watt-hour
D. None of these
|
| 2 | If work is done at the rate of 2 k j per second, then total work done is half an hour will be: |
A. 0.5 Kwn
B. 2 Kwh
C. 1 Kwh
D. None of these
|
| 3 | 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°
|
| 4 | Work has a dimension as that of: |
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
|
| 5 | A field in which the work done in moving a body along closed path is zero is called |
A. Nuclear Field
B. Conservative field
C. Gravitational field
D. Non-conservative field
|
| 6 | Work is a |
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these
|
| 7 | A body moves a distance of 10 m among a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which the force makes with the direction of motion of a body is: |
A. 0°
B. 30°
C. 60°
D. 90°
|
| 8 | A solar cell is made from: |
A. Iron
B. Silicon
C. Germanium
D. Copper
|
| 9 | Work done in lower and bucket into the well is: |
A. Zero
B. Positive
C. Negative
D. None of these
|
| 10 | The power of an electric generating station is expressed in: |
A. Kilo Jule
B. Kilowatt-hour
C. Kilo watt
D. Watt
|
Test Questions
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