Question
Newton-second is the unit of
✓
Answer
(c) Impulse $=$ change in momentum $= F \times t$
So the unit of momentum will be equal to Newton-sec.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A uniform beam of weight $W$ is attached to a vertical wall by a hinge $H$ . The beam is held horizontal by a rope as shown below. Which one of the following best shows the direction of the reaction force $R$ at the hinge ?
→A bomb of mass $30\,kg$at rest explodes into two pieces of masses $18\,kg$ and $12\,kg$. The velocity of $18\,kg$ mass is $6\,m{s^{ - 1}}$. The kinetic energy of the other mass is ....... $J$
→A charged gold leaf electroscope has its leaves apart by certain amount having enclosed air. When the electroscope is subjected to $X$-rays, then the leaves
→Which of the following is heavily doped ?
→$(a)$ Photo diode
$(b)$ Light emitting diode
$(c)$ Zener diode
$(d)$ Solar cell
Light wave is travelling along y-direction. If the corresponding $\vec E$ vector at any time is along the $x-$axis, the direction of $\vec B$ vector at that time is along
→A spherical shell has mass one fourth of mass of a solid sphere and both have same $M.I.$ about their respective diameters. The ratio of their radii will be :-
→A nucleus ${ }^{220} X$ at rest decays emitting an a-particle. If energy of daughter nucleus is $0.2\, MeV$, $Q$ value of the reaction is ........ $MeV$
→Two travelling waves ${y_1} = A\sin [k(x - c\,t)]$ and ${y_2} = A\sin [k(x + c\,t)]$ are superimposed on string. The distance between adjacent nodes is
→When a ray of light is incident normally on one refracting surface of an equilateral prism (Refractive index of the material of the prism $= 1.5$)
→Which of the following colours suffers maximum deviation in a prism