Unit of energy is - Vidyadip

MCQ

Unit of energy is

A
$J/\sec $
✓
$Watt - day$
C
$Kilowatt$
D
$gm{\rm{ - }}cm/{\sec ^2}$

✓

Answer

Correct option: B.

$Watt - day$

b
(b)

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 "M.C.Q (1 Marks)" from 1. units,dimensions and measurement→1. units,dimensions and measurement — all question types→Physics STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

A simple pendulum is suspended from the roof of a trolley which moves in a horizontal direction with an acceleration a, then the time period is given by $\text{t}=2\pi\sqrt{\frac{1}{\text{g}}}$ where g' is equal to:

A particle reaches its highest point when it has covered exactly one half of its horizontal range. The corresponding point on the displacement time graph is characterised by

If a particle is moving on a circular path with constant speed, then the angle between the direction of acceleration and its position vector w.r.t. centre of circle will be ............

A perfect gas at $27\,^oC$ is heated at constant pressure so as to double its volume. The final temperature of the gas will be, close to ...... $^oC$

A wave moving in a gas,

Must be longitudinal
May be longitudinal
Must be transverse
May be transverse

A person walks up a stalled escalator in $90 s$. When just standing on the same moving escalator, he is carried in $60 s$. The time it would take him to walk up the moving escalator will be $.......\,s$

Boyle' law is applicable for an:

A hot solid sphere is rotating about a diameter at an angular velocity $\omega_0$. If it cools so that its radius reduces to $\frac{1}{\eta}$ of its original value, its angular velocity becomes .............

An object thrown vertically upwards with a velocity of 25m/ s takes 4sec to reach the thrower. What is displacement of the object?

A steel wire of length $3.2 m \left( Y _{ S }=2.0 \times 10^{11}\,Nm ^{-2}\right)$ and a copper wire of length $4.4\,M$ $\left( Y _{ C }=1.1 \times 10^{11}\,Nm ^{-2}\right)$, both of radius $1.4\,mm$ are connected end to end. When stretched by a load, the net elongation is found to be $1.4\,mm$. The load applied, in Newton, will be. (Given $\pi=\frac{22}{7}$)