Question

1. The S.I. unit of energy is-



a) Joule b) Newton c) metre /second d) Newton-metre



2. Displacement is a


a) Scalar quantity b) vector quantity c) mathematical quantity d) none of these.



3. When a substance is heated, it’s density



a) Increases b) decreases c) remains same d) none of these.



4. The SI unit of density is



a) gram/metre3 b) gram/cm3

c) kilogram/metre3 d) kg/cm3



5. A body moving with a constant velocity will have



a) Constant acceleration b) variable acceleration c) zero acceleration d) none of these.​

Answer 1

Explanation:

The Answers are as follows :→

1 - Joule

2 - Vector Quantity

3 - Decreases

4 - gram/cm^3

5 - Zero Accerleration

Answer 2

$\huge\bold{Answer:-}$

1. The S.I. unit of energy is-

a) Joule $\huge\pink{✓}$

b) Newton

c) metre /second

d) Newton-metre

2. Displacement is a

a) Scalar quantity

b) vector quantity $\huge\pink{✓}$

c) mathematical quantity

d) none of these.

3. When a substance is heated, it’s density

a) Increases

b) decreases $\huge\pink{✓}$

c) remains same

d) none of these.

4. The SI unit of density is

a) gram/metre³

b) gram/cm³

c) kilogram/metre³$\huge\pink{✓}$

d) kg/cm³

5. A body moving with a constant velocity will have

a) Constant acceleration

b) variable acceleration

c) zero acceleration $\huge\pink{✓}$

d) none of these