# Model Questions for Scientific Assistant (IMD) Exam (Paper-2) Physics – Set 17

## Model Questions for Scientific Assistant (IMD) Exam (Paper-2)

Physics – Set 17

## Write and Discuss Your Answer with Q.No

in Comment Box at the Bottom of Post.

## 1. The stretching of an elastic material is proportional to the force that

is applied.

a. Atomic bonding

b. Density

c. Elasticity

d. Hooke’s law

## 2. An object changes shape when a force is applied to it, but when the force

is removed, the deformation disappears.

a. Atomic bonding

b. Density

c. Elasticity

d. Hooke’s law

## 3. Study of how relationships among weight, surface, strength are affected

by changing size of an object.

a. Atomic bonding

b. Density

c. Elasticity

d. Scaling

## 4. Which has more surface area?

a. a whole potato

b. a potato cut into four quarters

c. a potato cut into Freedom fries (ex-French fries)

d. all of these have the same surface area

## 5. Doubling the length of the sides of a cube multiplies its volume by

a. 2 and its surface area by 1

b. 4 and its surface area by 2

c. 6 and its surface area by 3

d. 8 and its surface area by 4

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## Study Kit for SSC Scientific Assistant (IMD) EXAM

## 6. Halving the diameter of a rope will multiply its strength by

a. 1

b. 1/2

c. 1/4

d. 1/8

## 7. Which has greater surface area for a given body weight (i.e., greater

surface area per unit weight)

a. a snake

b. an elephant

c. a bowling ball

d. a piece of string

## 8. An object has a mass of 60 kg and a density of 30 kg per cubic meter.

What is the volume of the object?

a. 1800 cubic meters

b. 2 cubic meters

c. 30 cubic meters

d. 60 cubic meters

## 9. Which has more surface area?

a. a whole potato

b. a potato cut into four quarters

c. a potato cut into Freedom fries (ex-French fries)

d. all of these have the same surface area

## 10. Doubling the length of the sides of a cube multiplies its volume by

a. 2 and its surface area by 1

b. 4 and its surface area by 2

c. 6 and its surface area by 3

d. 8 and its surface area by 4