Everyday Science MCQs

Sample Everyday Science questions

A sample from the full interactive bank. Open the complete bank to attempt questions and review answers.

1. 1. Which option best defines “Refraction”?

   1. a mechanical disturbance that requires a material medium
   2. change in wave direction caused by a change in speed between media
   3. separation of light into component wavelengths
   4. reinforcement or cancellation produced when waves overlap

2. 2. Which option best defines “Speed”?

   1. the SI base quantity measured in kelvins
   2. the SI base quantity measured in seconds
   3. the product of mass and velocity
   4. distance travelled per unit time

3. 3. Which option best defines “Work”?

   1. energy transferred when a force acts through a displacement; it depends on the force component along the displacement
   2. the distance between successive corresponding points of a wave
   3. the product of mass and velocity
   4. the rate at which work is done or energy is transferred

4. 4. Which option best defines “Centre of gravity”?

   1. the point through which the resultant weight of a body acts
   2. the rise or fall of a liquid in a narrow tube due to adhesion and cohesion
   3. the theoretical lowest temperature, equal to zero kelvin
   4. increase in dimensions of a substance when its temperature rises

5. 5. Which option best defines “Transformer”?

   1. a wave whose oscillations are parallel to the direction of propagation
   2. separation of light into component wavelengths
   3. the maximum displacement from equilibrium in an oscillation
   4. a device that changes alternating voltage and current through electromagnetic induction

6. 6. Which option best defines “Polarization”?

   1. a wave whose oscillations are perpendicular to the direction of propagation
   2. a large response when a system is driven near its natural frequency
   3. opposition to electric current, measured in ohms
   4. restriction of transverse-wave oscillations to particular directions

7. 7. Which option best defines “Thermal expansion”?

   1. increase in dimensions of a substance when its temperature rises
   2. the constant speed reached when resistive forces balance the driving force so that net acceleration is zero
   3. energy required to raise the temperature of unit mass by one kelvin
   4. a fluid's resistance to flow

8. 8. Which option best defines “Ohm's law”?

   1. electrical heat produced is proportional to current squared, resistance and time
   2. pressure applied to an enclosed fluid is transmitted undiminished throughout it
   3. electrostatic force depends on the product of charges and inverse square of separation
   4. current is proportional to voltage when resistance and physical conditions remain constant

9. 9. Which option best defines “Newton's first law”?

   1. an induced current opposes the change that produced it
   2. pressure applied to an enclosed fluid is transmitted undiminished throughout it
   3. electrostatic force depends on the product of charges and inverse square of separation
   4. a body remains at rest or in uniform motion unless acted upon by a net external force

10. 10. Which option best defines “Specific heat capacity”?

    1. heat transfer by electromagnetic radiation, requiring no material medium
    2. energy required to raise the temperature of unit mass by one kelvin
    3. the point through which the resultant weight of a body acts
    4. heat transfer by bulk movement of a fluid

11. 11. Which option best defines “Concave lens”?

    1. restriction of transverse-wave oscillations to particular directions
    2. a device that changes alternating voltage and current through electromagnetic induction
    3. a diverging lens thinner at the centre than at the edges
    4. spreading of waves around obstacles or through openings

12. 12. Which option best defines “Joule heating”?

    1. a body remains at rest or in uniform motion unless acted upon by a net external force
    2. electrical heat produced is proportional to current squared, resistance and time
    3. electrostatic force depends on the product of charges and inverse square of separation
    4. a changing magnetic flux induces an electromotive force