1. If we apply a force against the direction of motion of a body, then the body will
move in a different direction
stop moving
move with an increased speed
move with a decreased speed
2. Pressure exerted by a liquid is increased by
3. Unit of pressure is -2
poise
pascal
Both (a) & (b)
Nm
4. The value of the atmospheric pressure at sea level is -----
176 cm of mercury column
76 cm of mercury column
760 cm of mercury column
7.6 cm of mercury column
5. Pascal's law is used in -----
brake system
hydraulic lift
pressing heavy bundles
All the above
6. Which of the following liquids has more viscosity?
Ghee
Grease
Water
Coconut oil
7. The pressure of a liquid column _____ with the depth of the column.
8. Hydraulic lift works under the principle of _____.
9. The property of _____ of a liquid surface enables the water droplets to move upward in plants.
capacity action
capillarity action
defermative action
10. A simple barometer was first constructed by _____.
mary query
terriblici
torricelli
11. Arrange the following in the increasing order:1. Rolling friction, static friction, sliding friction .
12. Assertion: Sharp knives are used to cut the vegetables.Reason: Sharp edges exert more pressure.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
If the assertion is true, but the reason is false.
If both assertion and reason are true, but the reason is not the correct explanation of the assertion.
If the assertion is false, but the reason is true.
13. Assertion: Broad straps are used in bags. Reason: Broad straps last for long life.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
If both assertion and reason are true, but the reason is not the correct explanation of the assertion.
If the assertion is true, but the reason is false.d. If the assertion is false, but the reason is true.
14. Assertion: Water strider slides easily on the surface of water.Reason: Water strider experiences less buoyant force.
If both assertion and reason are true, but the reason is not the correct explanation of the assertion.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
If the assertion is true, but the reason is false.
If the assertion is false, but the reason is true.
- Question 11. If we apply a force against the direction of motion of a body, then the body will
- stop moving
- Question 22. Pressure exerted by a liquid is increased by
- the height of the liquid column
- Question 33. Unit of pressure is -2
- Both (a) & (b)
- Question 44. The value of the atmospheric pressure at sea level is -----
- 76 cm of mercury column
- Question 55. Pascal's law is used in -----
- All the above
- Question 66. Which of the following liquids has more viscosity?
- Ghee
- Question 77. The pressure of a liquid column _____ with the depth of the column.
- increases
- Question 88. Hydraulic lift works under the principle of _____.
- pascal
- Question 99. The property of _____ of a liquid surface enables the water droplets to move upward in plants.
- capillarity action
- Question 1010. A simple barometer was first constructed by _____.
- torricelli
- Question 1111. Arrange the following in the increasing order:1. Rolling friction, static friction, sliding friction .
- 2,3,1
- Question 1212. Assertion: Sharp knives are used to cut the vegetables.Reason: Sharp edges exert more pressure.
- If both assertion and reason are true and the reason is the correct explanation of the assertion.
- Question 1313. Assertion: Broad straps are used in bags. Reason: Broad straps last for long life.
- If both assertion and reason are true, but the reason is not the correct explanation of the assertion.
- Question 1414. Assertion: Water strider slides easily on the surface of water.Reason: Water strider experiences less buoyant force.
- If the assertion is true, but the reason is false.