According to Newtonl's law of cooling, the rate of cooling is : - Vidyadip

MCQ

According to Newtonl's law of cooling, the rate of cooling is :

A
Directly proportional to the difference of the fourth power of absolute temperature of the body and the atmosphere
✓
Directly proportional to the temperature difference of the body and the atmosphere
C
Inversely proportional to the temperature difference of the body and the atmosphere
D
Directly proportional to the difference in the square of the absolute temperature of the body and the atmosphere

✓

Answer

Correct option: B.

Directly proportional to the temperature difference of the body and the atmosphere

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 PART - 2 CH - 10 Thermal Properties of Matter→PART - 2 CH - 10 Thermal Properties of Matter — all question types→Physics STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

One end of a horizontal thick copper wire of length $2 L$ and radius $2 R$ is welded to an end of another horizontal thin copper wire of length $L$ and radius $R$. When the arrangement is stretched by a applying forces at two ends, the ratio of the elongation in the thin wire to that in the thick wire is :

A stone is allowed to fall from the top of a tower $100\,\,metre$ high and at the same time another stone is projected vertically upwards from the ground with a velocity of $25\,\,ms^{-1}.$ The two stones will meet after.........$s$

The dimensional formula for young's modulus is

Who among the following gave first the experimental value of $G$

A particle is executing $S.H.M.$ with time period $T^{\prime}$. If time period of its total mechanical energy is $T$ then $\frac{T^{\prime}}{T}$ is ........

A uniform rope lies on a horizontal table so that a part of it hangs over the edge. The rope begins to slide down when the length of the hanging part is $25\%$ of the entire length. The coefficient of friction between the rope and the table is

The position coordinates of a projectile projected from ground on a certain planet (with no atmosphere) are given by $y=\left(4 t-2 t^2\right) m$ and $x =(3 t)$ metre, where $t$ is in second and point of projection is taken as origin. The angle of projection of projectile with vertical is .........

The maximum value attained by the tension in the string of a swinging pendulum is four times the minimum value it attains. There is no slack in the string. The angular amplitude of the pendulum is

If the length of a wire is reduced to half, then it can hold the ......... load

Identify the correct statement