What is the dimensional formula of surface tension?

Important Questions on Matter : Structure and Properties

EASY

9th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.4.

In which direction the surface tension acts to the liquid surface?

EASY

9th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.4.

In an atomiser or sprayer, in which part the pressure becomes lower while pressing it?

EASY

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 stress?

EASY

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 young's modulus?

EASY

9th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 2.4.

By which property a material can be drawn into wires?

EASY

9th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 3.1.

What are the main uses of a barometer?

EASY

9th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 3.2.

State two occasions where we use a siphon.

EASY

9th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 3 - Matter : Structure and Properties>EXERCISE>Q 3.3.

How can you define relative density of a substance in terms of mass?