PRACTICE PAPER - 5
Jatinder Singh Physics Solutions for Exercise - PRACTICE PAPER - 5
Simple step-by-step solutions to PRACTICE PAPER - 5 questions of Practice Papers for Revision from Self Study in Physics. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from PRACTICE PAPER - 5 with Hints & Solutions
State two characteristics of a primary coil of a step-up transformer when compared to the secondary coil.
A fuse is rated . Can it be used with an electrical appliance of rating , ? Why?
What is background radiation? How can you detect the background radiation?
Draw a cathode ray tube consisting of a heater, a cathode, a cylindrical anode and a deflecting system. Why are materials of low work function preferred as thermionic cathode materials?
What is radioactivity?
A radioactive substance is oxidized. What change would you expect to take place in the nature of its radioactivity? Give a reason for your answer.
What are beta rays and gamma rays?
Explain briefly what change takes place within the nuclei when beta particles are emitted by a radioactive substance.
