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Archive for the ‘Physics’ Category

Nuclear-physics-questions Physics-day 11 target-ssc-cgl-2017

Nuclear-physics-questions Physics-day 11 target-ssc-cgl-2017

 

Q1. Energy is continuously created in the sun due to:

  1. nuclear fusion
  2. nuclear fission
  3. radioactivity
  4. artificial radioactivity

Q2. Nuclear reactors used to produce electricity are based on

    (more…)

Nuclear-physics-theory Physics-day 11 target-ssc-cgl-2017

Nuclear-physics-theory Physics-day 11 target-ssc-cgl-2017

 

ATOMIC AND NUCLEAR PHYSICS 

We know that atom is the smallest part of matter. Atoms of same elements have same properties i.e. mass, size etc. Atoms have three particles. They are electrons, protons and neutrons. Electrons revolve around the nucleus and protons and neutrons are present (more…)

Miscellaneous-mcqs Physics-day 10 target-ssc-cgl-2017

Miscellaneous-mcqs Physics-day 10 target-ssc-cgl-2017

 

Q1.  What is the S.I. unit of stress?

  1. N/m-1
  2. N/m1
  3. N/m-2
  4. N/m2

Q2. The modulus of rigidity is the ratio of

  1. longitudinal stress to longitudinal (more…)

Miscellaneous-questions Physics-day 10 target-ssc-cgl-2017

Miscellaneous-questions Physics-day 10 target-ssc-cgl-2017

 

Q1. The hydraulic brakes used in automobiles is a direct application of:

  1. Archimedes’ Principle
  2. Torieellian Law
  3. Bernoulli’s Theorem
  4. Pascal’s Law

Q2.  Surface tension is a liquid due to:

    (more…)

Miscellaneous-theory Physics-day 10 target-ssc-cgl-2017

Miscellaneous-theory Physics-day 10 target-ssc-cgl-2017

 

MECHANICAL PROPERTIES OF SOLIDS

 

Elasticity

It is the property of a material by the virtue of which a body regains its original shape and size when the deforming force is removed. There is a certain maximum value of deforming force which when removed, a body regains (more…)

SSC CGL Physics : 100 most important MCQ video – must watch

SSC CGL Physics : 100 most important MCQ video – must watch

In this video lecture 100 MCQ have been discussed. This video is part of project Agni 40 + for ssc cgl. Purpose of Agni 40 + is to help (more…)

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

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

 

Q1. Name the energy transfers which occur when electric bell rings

  1. electrical energy to sound energy
  2. sound energy to electrical energy
  3. electrical energy to light energy
  4. chemical energy to (more…)

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

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

 

Q1. In which of the following cases, kinetic energy is being used in performing work?

  1.  Paddling the bicycle to cover a distance
  2.  Driving a car to cover a distance
  3. Wind mill grinding wheat (more…)

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