Question
On the Celsius scale the absolute zero of temperature is at .......... $^oC$
✓
Answer
(d) $T = 273.15 + t^\circ C$ $\Rightarrow$ $0 = 273.15 + t^\circ C$ $\Rightarrow$ $t = - 273.15^\circ C$
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 metallic wire carries a current $2\,A$. when $3.4\,V$ battery is connected across it. The mass of uniform metallic wire is $8.92 \times 10^{-3} \,kg$. density is $8.92 \times 10^3\,kg / m ^3$ and resistivity is $1.7 \times 10^{-8} \Omega- m$. The length of wire is $l=............\,m$
→Equal charges $q$ are placed at the vertices $A$ and $B$ of an equilateral triangle $ABC$ of side $a$. The magnitude of electric field at the point $C$ is
→Force between two identical spheres charged with same charge is $F$. If $50\%$ charge of one sphere is transferred to second sphere then new force will be
→Ozone is found in
A train has a speed of $60\, km/h$. for the first one hour and $40\, km/h $ for the next half hour. Its average speed in $km/h$ is
→A virtual current of $4A$ and $50 \,Hz$ flows in an $ac$ circuit containing a coil. The power consumed in the coil is $240\, W$. If the virtual voltage across the coil is $100\, V $ its inductance will be
→A transformer is based on the principle of
Good absorbers of heat are
A radioactive sample with a half life of $1$ month has the label : “Activity$=2\, micro\,\,curies$ on $1-8-1991$.'' What will be its activity two months earlier ............ $micro\,\, curies$.
→Five resistors of given values are connected together as shown in the figure. The current in the arm $BD$ will be
→