Question

Column A	Column B
1. The distance between the tip of the thumb and the tip of the little finger of a fully stretched hand.	(a)Vibration
2. A system has seven most common basic standard units used in our daily life.	(b) National Physical Laboratory(NFL), New Delhi
3. The authority is responsible for maintaining the national standards for all basic units for measurement in India.	(c) Handspan
4. The to-and-fro motion of an object about its mean position.	(d) Sl system
5. The fast or rapid oscillatory motion.	(e) Oscillatory motion

Accepted Answer

1-c

The distance between the tip of the thumb and the tip of the little finger of a fully stretched hand is called handspan. It is the basic traditional measurements.

2-d

A system has seven most common basic standard units used in our daily life is called the SI system. They are the metre for measurement of length, the kilogram for mass, the ampere for electric current, the kelvin for temperature, the mole for amount of substance, and the candela for luminous intensity.

3-b

National Physical Laboratory(NFL), New Delhi is the authority is responsible for maintaining the national standards for all basic units for measurement in India. It is founded on ‎4 January 1947.

4-e

The to-and-fro motion of an object about its mean position is called oscillatory motion. The oscillatory motion of the pendulum of a clock is used to measure time.

5-a

The fast or rapid oscillatory motion is called vibration motion. It is the back and forth movement.

Column A Column B

1. The distance between the tip of the thumb and the tip of the little finger of a fully stretched hand.
(c) Handspan

2. A system has seven most common basic standard units used in our daily life.
(d) Sl system

3. The authority is responsible for maintaining the national standards for all basic units for measurement in India.
(b) National Physical Laboratory(NFL),
New Delhi

4. The to-and-fro motion of an object about its mean position.
(e) Oscillatory motion

5. The fast or rapid oscillatory motion.
(a)Vibration

S N Jha, Geeta Negi and, Neelima Jain Solutions for Chapter: Practice Assignment (Based on Chapter 10 — Motion and Measurement of Distances), Exercise 1: PRACTICE ASSIGNMENT (Based on Chapter 10 — Motion and Measurement of Distances)

S N Jha Science Solutions for Exercise - S N Jha, Geeta Negi and, Neelima Jain Solutions for Chapter: Practice Assignment (Based on Chapter 10 — Motion and Measurement of Distances), Exercise 1: PRACTICE ASSIGNMENT (Based on Chapter 10 — Motion and Measurement of Distances)

Questions from S N Jha, Geeta Negi and, Neelima Jain Solutions for Chapter: Practice Assignment (Based on Chapter 10 — Motion and Measurement of Distances), Exercise 1: PRACTICE ASSIGNMENT (Based on Chapter 10 — Motion and Measurement of Distances) with Hints & Solutions

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