Speed Velocity and Acceleration Quiz PDF: Questions and Answers - 43

MCQ 211: The change in velocity in the opposite direction as the velocity is called

1. constant acceleration
2. zero acceleration
3. negative acceleration
4. positive acceleration

MCQ 212: The force exerted on an object of certain mass m due to gravity is

1. F = m+a
2. F = m-a
3. F = m/a
4. F = ma

MCQ 213: The incident ray, reflected ray and the normal to the reflecting surface all lie on the same plane, as per

1. first law of refraction
2. first law of reflection
3. second law of reflection
4. second law of refraction

MCQ 214: If Q is the thermal energy absorbed or released, δθ is the change in temperature, m is the mass of the substance, C is the heat capacity then the specific heat capacity is expressed as

1. c = 1/m(Q/δθ)
2. c = 1/m(Q+δθ)
3. c = 1/m(δθ/Q)
4. c = 1×m(Q/δθ)

MCQ 215: The heating coil of the electric kettle is always placed at the kettle's

1. top
2. right side
3. left side
4. bottom