Download App

Energy — PHYSICS STD 8 — Question

ICSE BoardEnglish MediumSTD 8PHYSICSEnergy2 Marks
Question
Define $1$ joule of energy.
✓

Answer

$1$ Joule is the amount of work done by a force of $1$ Newton on an object that displaces it through a distance of $1$ meter in the direction of the applied force.
$1 J = 1 N \times 1 m.$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Question Answer]" from Energy→Energy — all question types→PHYSICS STD 8 question papers→ICSE Board STD 8 question papers→ICSE Board question paper generator→

Similar questions

Describe a simple experiment to show that at a given depth, a liquid exerts same pressure in all directions.
→
What kind of energy changes take place in the bodies of living beings, so as to produce mechanical energy.
→
Why does the pitch of the sound increases when a nail is hammered into a wall ?
→
Calculate the volume of wood of mass 6000 kg, when density of wood is $0.8 gcm ^{-3}$.
→
Find the thrust required to exert a pressure of $50000$ pascals on an area of $0.05\  m^2$ ?
→
Why does the white light split on the first refracting face of prism ?
→
A test tube filled with a solid sinks $($to a certain mark$)$ in a container filled with milk. If water is added to the milk, will the test tube sink more or will it move up in the container?
→
Some ice is taken in a beaker and its temperature is recorded after each one minute. The observations are listed below
Time $($in minute$)$ Temperature $($in $^\circ C)$
$0$ $0$
$1$ $0$
$2$ $0$
$3$ $0$
$4$ $0$
$5$ $0$
$6$ $3.8$
$7$ $7.6$
$8$ $11.4$
From the above observations, what conclusion do you draw about the melting point of ice?
→
It is easier to open a door by applying the force at its handle than at the hinged end. Why?
→
A glass rod rubbed with silk is suspended near an ebonite r rod rubbed with fur. What will be your observation? Give a reason to your answer.
→