EASY
8th ICSE
IMPORTANT
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A Eureka can is a container with a spout near its bottom.

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Important Questions on Physical Quantities and Measurement

MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Think and answer

How can the knowledge of relative density help in verifying the purity of substances?

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Check your progress>Q 1

A wax candle _____on/in water. (Floats/sinks)

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Check your progress>Q 2

The ratio of density of a substance to the density of water at 4°C is known as the _____ of the substance.

MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Check your progress>Q 3
A _____ (barometer/hydrometer) is the instrument used to measure the relative density of liquids.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Check your progress>Q 4

Kerosene will float in water because its density is _____than that of water. (More/Less)

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Check your progress>Q 5

The density of seawater is _____ (more/ less) than the density of distilled water.

MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Think and answer>Q 1

Why is the cooling unit of a refrigerator made at the top?

MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Think and answer>Q 2

Why is an air-conditioner normally installed at a height in a room?