NCERT Class 8 Science-Force and Pressure[Pressure] [NCERT Based General Studies (GS)]: Questions 1 - 5 of 6
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Question 1
Question MCQ▾
Atmosphere is defined as:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Force between two bodies due to their mass | |
b. | Earth՚s surface | |
c. | Gaseous envelop surrounding the earth | |
d. | Air exerts pressure in all directions | |
Question 2
Question MCQ▾
What is Atmospheric Pressure?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Thrust per unit area | |
b. | The force with which the earth pulls a body towards itself | |
c. | Force between two magnetic poles | |
d. | Pressure exerted by the air column above us | |
Question 3
Question MCQ▾
Why wheels of a battle tank move over a belt:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Belt helps to distributing the weight of the tank over a large area. | |
b. | Battle tank is heavy | |
c. | Belt helps to distributing the weight of the tank over a small area | |
d. | Increased pressure exerted by the tank on the ground | |
Question 4
Question MCQ▾
Thrust acting on a unit area of a surface is called:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Push | |
b. | Pull | |
c. | Pressure | |
d. | Force | |
Question 5
Question MCQ▾
Why does a balloon make a noise when it is popped?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Air pressure inside the balloon is more than outside | |
b. | Molecules of air inside the balloon coming into sudden contact with the molecules of air outside the balloon. | |
c. | Air escapes instantly | |
d. | Since balloon is made up of rubber and is expandable | |