set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on force of gravity, solids and fluids topic of general science mcq
| Column I | Column II |
| A. Weight | 1. Minimum |
| B. gequator | 2. Zero |
| C. gpoles | 3. Vector |
| D. gcentre | 4. Maximum |
(a) (A) → (3) ; (B) → (1) ; (C) → (4) ; (D) → (2)
(b) (A) → (2) ; (B) → (2) ; (C) → (4) ; (D) → (3)
(c) (A) → (2) ; (B) → (1) ; (C) → (3) ; (D) → (4)
(d) (A) → (4) ; (B) → (3) ; (C) → (1) ; (D) → (2)
The correct answers to the above question in:
Answer: (a)
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Read more physics concept Based General Science Questions and Answers
Question : 1
The weight of a body is 9.8 N at the place where g = 9.8 ms–2. Its mass is
a) 10 kg
b) 9.8 kg
c) zero
d) 1 kg
Answer »Answer: (d)
Question : 2
If a gas is heated at constant pressure its isothermal compressibility
a) decreases with temperature
b) remains constant
c) increases with temperature
d) decreases inversely with temperature
Answer »Answer: (b)
Question : 3
Assertion (A) :
The weight of a body decreases with the increase of altitude on earth.
Reason (R) :
The earth is not a perfect sphere.
a) A is true but R is false
b) Both A and R are true but R is not a correct explanation of A
c) Both A and R are true and R is the correct explanation of A
d) A is false but R is true
Answer »Answer: (b)
Question : 4
Assertion (A) :
A beaker filled with water at 4°C overflows if the temperature is decreased or increased.
Reason (R) :
Density of water is maximum at 4°C.
a) A is true but R is false
b) Both A and R are true but R is not a correct explanation of A
c) Both A and R are true and R is the correct explanation of A
d) A is false but R is true
Answer »Answer: (c)
Question : 5
A body is at rest on the surface of earth. Which of the following statements is correct?
a) Frictional force acts on the body.
b) Only upward force acts on the body.
c) Only weight of the body acts on it.
d) Net upward force is equal to the net downward force.
Answer »Answer: (d)
Question : 6
Assertion (A):
An iron ball floats on mercury but gets immersed in water.
Reason (R) :
The specific gravity of iron is more than that of mercury.
a) A is true but R is false
b) Both A and R are true but R is not a correct explanation of A
c) Both A and R are true and R is the correct explanation of A
d) A is false but R is true
Answer »Answer: (a)
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