Objective Questions and Answers on General Science – Set 6

Objective Questions and Answers on General Science – Set 6

 

1-Which of the following is (are) non contact force(s)?

  1. Gravitational force
  2. Electromagnetic force
  3. Electrostatic force
  4. All of the above

(Ans:d)

 

2-Pressure is calculated as

  1. Force / Area
  2. Force x Area
  3. Force / Volume
  4. Force x Volume

(Ans:a)

 

3-At this stage we consider only those forces which act ______ to the surface on which the pressure is to be computed.

  1. Perpendicular
  2. Parallel
  3. At an angle
  4. In any direction

(Ans:a)

 

4-The force of friction acts

  1. in the direction of motion
  2. opposite to the direction of motion
  3. perpendicular to the direction of motion
  4. none of the above

(Ans:b)

 

5-The frictional force exerted by fluids is called

  1. Resistance
  2. Thrust
  3. Drag
  4. All of the above

(Ans:c)

 

6-In humans, the sound is produced by

  1. Larynx
  2. Windpipe
  3. Pharynx
  4. Trachea

(Ans:a)

 

7-The number of oscillations per second is called the ______ of oscillation.

  1. Velocity
  2. Rate
  3. Frequency
  4. Amplitude

(Ans:c)

 

8-The loudness is expressed in a unit called

  1. Decibel
  2. Hertz
  3. Pitch
  4. None of the above

(Ans:a)

 

9-The following is bad conductor of electricity

  1. Tap water
  2. Water from hand pump
  3. Salt water
  4. Distilled water

(Ans:d)

 

10-Most liquids that conduct electricity are solutions of

  1. Acids
  2. Bases
  3. Salts
  4. All of the above

(Ans:d)

 

11-The process of depositing a layer of any desired metal on another material by means of electricity is called

  1. Electroplating
  2. Galvanizing
  3. Buffing
  4. Polishing

(Ans:a)

 

12-A device used to test whether an object is carrying charge or not is known as

  1. Electroscope
  2. Multimeter
  3. Potentiometer
  4. Voltmeter

(Ans:a)

 

13-The earthquakes can cause

  1. floods
  2. landslides
  3. tsunamis
  4. All of the above

(Ans:d)

 

14-The weak zones where earthquakes are more likely to occur are known as

  1. Seismic
  2. Kratogen
  3. Prostrate
  4. None of the above

(Ans:a)

 

15-Destructive earthquakes have magnitudes higher than ____ on the Richter scale.

  1. 5
  2. 6
  3. 7
  4. 8

(Ans:c)