EASY
10th ICSE
IMPORTANT
Earn 100

Define resistivity. Give the factors on which the resistivity depends.

Important Questions on Practice Papers for Revision

EASY
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 13 - Practice Papers for Revision>PRACTICE PAPER - 9>Q 9

Calculate the effective resistance between A and B.
Question Image

EASY
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 13 - Practice Papers for Revision>PRACTICE PAPER - 9>Q 9
Define watt-hour and kilowatt-hour.
MEDIUM
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 13 - Practice Papers for Revision>PRACTICE PAPER - 9>Q 9

Water in an electric kettle connected to a 220 V supply took 6.5 minutes to reach its boiling point. How long would it have taken if the supply had been of 200 V?

EASY
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 13 - Practice Papers for Revision>PRACTICE PAPER - 9>Q 10
Define the term work function of a metal.
EASY
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 13 - Practice Papers for Revision>PRACTICE PAPER - 9>Q 10
Can a radioactive substance emit both α and β rays simultaneously?
EASY
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 13 - Practice Papers for Revision>PRACTICE PAPER - 9>Q 10
What is meant by alpha emission ?
EASY
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 13 - Practice Papers for Revision>PRACTICE PAPER - 9>Q 10
State three safety precautions while handling the radioactive substances.
EASY
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 13 - Practice Papers for Revision>PRACTICE PAPER - 10>Q 1
Which class of lever has a mechanical advantage always greater than one? What change can be brought about in this lever to increase its mechanical advantage?