MCQ
One calorie is equal to
- A$0.4184 $ $Joule$
- ✓$4.184$ $Joule$
- C$41.84 $ $Joule$
- D$418.4$ $Joule$
✓
Answer
Correct option: B.
$4.184$ $Joule$
b
We need to find $1$ calorie is equal to how many joules.
We need to find $1$ calorie is equal to how many joules.
A calorie is the amount of energy that is supplied in the nutrients that make up food. Because it is a form of energy, calories can be converted to joules through a measurement of heat.
$1$ calorie $=4.186$ joules. is the required answer.
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
What is the weight of oxygen required for the complete combustion of $2.8\, kg$ of ethylene ................ $\mathrm{kg}$
→Compounds $P$ and $R$ upon ozonolysis produce $Q$ and $S$, respectively. The molecular formula of $Q$ and $S$ is $C_8 \mathrm{H}_8 \mathrm{O}$. $Q$ undergoes Cannizzaro reaction but not haloform reaction, whereas $\mathrm{S}$ undergoes haloform reaction but not Cannizzaro reaction.
→($i$) $P \xrightarrow[\text { ii) } \mathrm{Zn} / \mathrm{H}_2 \mathrm{O}]{\text { i) } \mathrm{O}_3 / \mathrm{CH}_2 \mathrm{Cl}_2} \underset{\left(\mathrm{C}_8 \mathrm{H}_8 \mathrm{O}\right)}{Q}$
($ii$) $R \xrightarrow[\text { ii) } \mathrm{Zn} / \mathrm{H}_2 \mathrm{O}]{\text { i) } \mathrm{O}_3 / \mathrm{CH}_2 \mathrm{Cl}_2} \underset{\left(\mathrm{C}_8 \mathrm{H}_8 \mathrm{O}\right)}{S}$
The option(s) with suitable combination of $P$ and $R$, respectively, is(are)
At room temperature in one draw of water (volume 0.0018 ml) what will be the number of water molecules:
On the basis of Bohr's model, the radius of $3^{rd}$ orbit is
→The mass of carbon present in $0.5\, mole$ of $K_4[Fe(CN)_6]$ is .............. $\mathrm{g}$
→The order of relative stability of the contributing structure is: $IMAGE$ Choose the correct answer from the options given below:
→In $20\,\, ml \,\,0.4 \,M-HA$ solution, $80\,\, ml$ water is added. Assuming volume to be additive, the $pH$ of final solution is
→$(K_a \,\,of\,\, HA = 4 \times 10^{-7} ,\, log\,2 = 0.3)$
Which of the following reaction depicts oxidizing behaviour of $H_2SO_4$ ?
→Elements of atomic number $6$ is placed in
→A ball weighing $10 \,g$ is moving with a velocity of $90\, ms ^{-1}$. If the uncertainty in its velocity is $5\, \%$, then the uncertainty in its position is ....... $\times 10^{-33} \,m$. (Rounded off to the nearest integer) [Given : $\left. h =6.63 \times 10^{-34} \,Js \right]$
→