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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
The ‘Dobson’ unit is used to measure:
(A) Thickness of the Earth
(B) Thickness of a diamond
(C) Thickness of the ozone layer
(D) Noise level
Option c – Thickness of the ozone layer
1 kg/cm² of 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
One barrel of oil corresponds to:
(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
The term “Cusec” is used to measure:
(A) Purity of water
(B) Depth of water
(C) Flow rate of water
(D) Quantity of water
Option c – Flow rate of water
We covered all the ch 1 science Class 10 mcq above in this post for free so that you can practice well for the exam.
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