Question

1. Standard measure of any ki7 physical quantity is called [ ]

A) Quantity B) Unit C) Physical quantity D) Dimension

2. The steps involved in measurement of a physical quantity are [ ]

A) 4 B) 3 C) 2 D) 1

3. Desirable features of a standard unit are [ ]

A) Reproducible B) Invariable C) Easily available D) all the above

4. Every physical quantity (P) is expressed as a number (N) followed by its ………… [ ]

A) Quality B) Dimension C) Value D) Unit

5. Height of a boy is 150 cm ; In this physical quantity 150 is [ ]

A) Unit B) Numerical value C) Constant D) None

6. Statement A : In the measurement or a physics quantity step – 1 is to choose a standard value as a

unit for measurement

Statement B : All algebraic operations are possible with units

A) Both A & B are True B) Both A & B are false

C) A is true but B is false D) A is false but B is true

7. Magnitude of a physical quantity does not change with [ ]

A) Dimension B) Choice of unit C) Numerical value D) Quantity

8. Distance between Vijayawada and Hyderabad is 300 Km; in this physical quantity Km is

A) Unit B) Numerical value C) Constant D) None

9. Statement A: Numerical value of a physical quantity is inversely proportional to the unit chosen

Statement B: Unit is also a value [ ]

A) Both A & B are True B) Both A & B are false

C) A is true but B is false D) A is false but B is true​

Answer 1

Answer:

1 -

Standard measure of any ki7 physical quantity is called (quantity)

2 - The steps involved in measurement of a physical quantity are (2)

3. Desirable features of a standard unit are ( all of the above)

4. Every physical quantity (P) is expressed as a number (N) followed by its ( Unit)