Maharashtra Board Solutions for Chapter: Measurement of Physical Quantities, Exercise 4: Observe and discuss
Maharashtra Board Science Solutions for Exercise - Maharashtra Board Solutions for Chapter: Measurement of Physical Quantities, Exercise 4: Observe and discuss
Attempt the practice questions on Chapter 6: Measurement of Physical Quantities, Exercise 4: Observe and discuss with hints and solutions to strengthen your understanding. General Science Standard Seven solutions are prepared by Experienced Embibe Experts.
Questions from Maharashtra Board Solutions for Chapter: Measurement of Physical Quantities, Exercise 4: Observe and discuss with Hints & Solutions
Identify the wrong methods of measurement shown in the picture and explain why they are wrong.

Match the following:
Group A | Group B |
(1) Velocity | (a) litre |
(2) Area | (b) kilogram |
(3) Volume | (c) metre/second |
(4) Mass | (d) kilogram/cubic metre |
(5) Density | (e) square metre |

Explain giving examples.
Scalar quantity

Explain giving examples.
Vector quantity.

Explain, giving examples, the errors that occur while making measurements.

Give reasons.
It is not proper to measure quantities by using body parts as units.

Give reasons.
It is necessary to get the weights and measures standardized at regular intervals.

Explain the need for accurate measurement and the devices to be used for that.
