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Total questions: 10
Worksheet time: 7mins
The rate of increase in velocity is called
Force
Momentum
Acceleration
Speed
Which of the following quantities is a vector?
Volume
Momentum
Energy
Speed
In an elastic collision 💥, momentum is conserved as well as
Velocity
Kinetic energy
Potential energy
Speed
Which of the following is not a property of a LASER
It is monochromatic
It is coherent
Divergence
It is very bright
Which of the following instruments can be used to compare the magnitude of charges on two given bodies
Electrophorous
Ebonite rod
Gold-leaf electroscope
Proof planes
A body of mass 2kg is released from a point 100m above the ground. Calculate it's kinetic energy 80m from the point of release
1600J
900J
600J
200J
Which of the following is not a mechanical wave
Waves in pipe
Water waves
Radio waves
Sound waves
A loaded spring is set in simple harmonic motion. The force that tends to restore the load to it's equilibrium position is
Adhesive
Elastic
Frictional
Gravitational
Which of the following cannot produce total internal reflection
Glass to water
Kerosene to air
Air to water
Water to ice
The vacuum in a thermosflask reduces heat loss resulting from
Radiation only
Conduction and convection
Radiation and convection
Conduction only
