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9th West Bengal Board
IMPORTANT
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The dimensional formula of spring constant is -

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Important Questions on Matter : Structure and Properties

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9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.1.
_____ is an arrangement for the transfer of liquid from one container to another.
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9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.2.
A siphon works in vacuum.
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9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.2.
Viscosity opposes the relative motion between different layers of a fluid.
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9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.2.
Viscosity of liquids rises with the temperature.
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9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.2.
It is quite safe to stand near a fast-moving train.
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9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.2.
Strain has no units.
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9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.2.
Beyond critical velocity, role of viscosity is negligible.
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9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.4.
What is the SI unit of thrust?