ch 1 Science Class 10 MCQ. We covered all the ch 1 Science Class 10 MCQ in this post for free so that you can practice well for the exam.
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ch 1 Science Class 10 Objective MCQ for Students
‘Dobson’ unit is used for the measurement of
(A) Thickness of Earth
(B) Thickness of Diamond
(C) Thickness of the Ozone layer
(D) Measurement of Noise
Option c – Thickness of the Ozone layer
1 Kg/cm² pressure is equivalent to
(A) 0.1 bar
(B) 1.0 bar
(C) 10.0 bar
(D) 100.0 bar
Option b – 1.0 bar
1 barrel of oil is equal to which of the following?
(A) 131 litres
(B) 159 litres
(C) 179 litres
(D) 201 litres
Option b – 159 litres
The smallest unit of length is
(A) Micron
(B) Nanometre
(C) Angstrom
(D) Fermimetre
Option d – Fermimetre
What is measured in Cusec?
(A) Purity of water
(B) Depth of water
(C) Flow of water
(D) Quantity of water
Option c – Flow of water
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