Wednesday, April 24, 2019

Rest and Motion Physics Notes For RRB NTPC and SSC EXAMS

Chapter : Rest and Motion

Simple pendulum, motion notes for upcoming government exams
 Simple pendulum(image source: wikipedia)

In our daily life we see many objects that are either in rest position or Motion. eg- moving Trains, car ,cycle, etc and on other hand trees, houses, furnitures, etc are in rest position.

Saturday, March 2, 2019

Important Scientific Instrument and their uses

IMPORTANT SCIENTIFIC INSTRUMENT AND THEIR USES THAT ASK IN EXAMINATION

important scientific intrument for ssc and RRB exams

  1. Altimeter :- It measures altitudes and is used in aircrafts.
  2. Ammeter :- It measures strength of electric current.
  3. Audiometer :- It measures intensity of sound.
  4. Barometer :- It measures atmospheric pressure.
  5. Binocular :- It is used to view distant objects.
  6. Calorimeter :- It measures quantity of heat.

Tuesday, February 26, 2019

UNITS AND MEASUREMENT

Physics Lacture series : Units and Measurement

Physics lecture on units and measurement
Physical Quantities :- Any quantity which can be measure is called physical quantity. eg- length, mass, time, temperature, etc.
on the basis of units and measurement physical quantities can be divide in
  • Fundamental quantities:- The physical quantities which do not depend on the other physical quantities are known as fundamental physical quantities. eg-  length, mass, electric current, time, temperature, etc.
  • Derived quantities :-  All the physical quantities which are not the fundamental physical quantities but are derived from it  are known as derived physical quantities. eg- work, force, pressure, area, volume, etc.