basic physics

The unit of force in the SI system is:

• Meter (m)
• Second (s)
• Newton (N)
• Kilogram (kg)

The resistance of an object to a change in its state of motion is called:

• Inertia
• Acceleration
• Velocity
• Friction

Which of the following is a measure of the amount of matter in an object?

• Weight

• Mass

• Volume

• Density

Which of the following is a unit of energy?

• Watt

• Joule

• Newton

• Pascal

Which of the following is a scalar quantity?

• Velocity

• Acceleration

• Force

• Temperature

What does the peak of a blackbody radiation spectrum correspond to according to Wien's displacement law?

• wavelength at which the intensity is maximum
• energy at which the intensity is maximum
• frequency at which the intensity is maximum
• wavelength at which the intensity is minimum

When light travels from air to water, it bends towards the:

• normal line
• perpendicular to the normal line
• parallel to the normal line
• away from the normal line

2. UNIT OF MASS IS

• S

• N

• KG

• KG/SEC