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Archive for the ‘Physics’ Category

Work-energy-theory Physics-day-9 Target ssc cgl 2017

Work-energy-theory Physics-day-9 Target ssc cgl 2017

 

WORK AND ENERGY

WORK

A work is said to be done whenever a force makes a body to change its position. A work is done when some extra energy is applied.  When work is done, an equal amount of energy is used up.

Two (more…)

Sound-questions Physics-day-8 Target ssc cgl 2017 tier 1

Sound-questions Physics-day-8 Target ssc cgl 2017 tier 1

 

Q1. Decibel is the unit used for

  1. Speed of light
  2. Intensity of heat
  3. Intensity of sound
  4. Radio wave frequency

Q2. Which one (more…)

Sound-mcqs Physics-day-8 Target ssc cgl 2017 tier 1

Sound-mcqs Physics-day-8 Target ssc cgl 2017 tier 1

 

Q1. Microphone is a device which transforms the

  1. sound signal into current signal
  2. current signal into sound signal
  3. sound signal into light signal
  4. light signal into (more…)

Sound-theory Physics-day-8 Target ssc cgl 2017 tier 1

Sound-theory Physics-day-8 Target ssc cgl 2017 tier 1

 

SOUND

The sensation felt by the ears of any organism is called sound. It is a form of energy which we can hear.

Sound travels in the form of wave. A disturbance in the form of vibrations in a (more…)

Friction-questions Physics-day-7 Target ssc cgl 2017 tier 1

Friction-questions Physics-day-7 Target ssc cgl 2017 tier 1

 

Q1. Angle of friction and angle of repose are

  1. equal to each other
  2. not equal to each other
  3. proportional to each other
  4. None of the above

[showhide (more…)

Friction-mcqs Physics-day-7 Target ssc cgl 2017 tier 1

Friction-mcqs Physics-day-7 Target ssc cgl 2017 tier 1

Q1. By which of the following object, can we measure the weight of an object?

  1. Spring balance
  2. Physical balance
  3. Beam balance
  4. Analytical balance

Ans:- (more…)

Friction-theory Physics-day-7 Target ssc cgl 2017 tier 1

Friction-theory Physics-day-7 Target ssc cgl 2017 tier 1

 

FRICTION

A force which always opposes the motion of one object over another object in contact with it, is called friction. Frictional force always acts in the opposite direction to the direction in which the object moves.

 

Cause of (more…)

Gravitation-questions Physics-day-6 Target ssc cgl 2017 tier 1

Gravitation-questions Physics-day-6 Target ssc cgl 2017 tier 1

 

Q1. The weakest of all fundamental forces is

  1. Gravitational force
  2. Electrostatic force
  3. Magnetic force
  4. Nuclear force

Q2. Two rods, one of copper (more…)

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