1. Tardigrade
  2. Question
  3. Physics
  4. Which of the following quantities has its unit as newton-second?

Q. Which of the following quantities has its unit as newton-second?

Physical World, Units and Measurements Report Error

Solution:

Momentum =Force $\times$ Time $=Ns$

Questions from Physical World, Units and Measurements

1. Which of the following relations is correct?

2. The pitch of a screw gauge having $50$ divisions on its circular scale is $1\, mm$. When the two jaws of the screw gauge are in contact with each other, the zero of the circular scale lies $6$ division below the line of graduation. When a wire is placed between the jaws, $3$ linear scale divisions are clearly visible while $31^{st}$ division on the circular scale coincides with the reference line. The diameter of the wire is

3. The external and internal diameters of a hollow cylinder are measured to be $\left(4.23\pm0.01\right)$ cm and $\left(3.89\pm0.01\right)$cm. The thickness of the wall of the cylinder is

4. The $SI$ unit of magnetic flux is

5. $SI $ unit of molar gas constant is

Physics Most Viewed Questions

1. If $E$ and $G$ respectively denote energy and gravitational constant, then $\frac{ E }{ G }$ has the dimensions of:

NEET 2021 Physical World, Units and Measurements

2. The de Broglie wavelength of an electron moving with kinetic energy of $144 \,eV$ is nearly

NEET 2020 Dual Nature of Radiation and Matter

3. A car starts from rest and accelerates at $5\, m / s ^{2}$ At $t=4\, s$, a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at $t =6\, s$ ? (Take $\left. g =10\, m / s ^{2}\right)$

NEET 2021 Motion in a Straight Line

4. A wheel with $20$ metallic spokes each $1\, m$ long is rotated with a speed of $120\, rpm$ in a plane perpendicular to a magnetic field of $0.4\, G$. The induced emf between the axle and rim of the wheel will be, $(1 G = 10^{-4}\, T)$

NEET 2020 Electromagnetic Induction

5. A barometer is constructed using a liquid (density $= 760 \,kg/m^{3})$ What would be the height of the liquid column, when a mercury barometer reads $76\, cm$ ?
(density of mercury $= 13600 kg/m^{3})$

NEET 2020 Mechanical Properties of Fluids

Latest Updates