An unknown nucleus collides with a ^4He nucleus, and after the co… - Vidyadip

MCQ

An unknown nucleus collides with a ${}^4He$ nucleus, and after the collision the two nuclei travel in perpendicular directions relative to each other. If kinetic energy is lost in the collision, the unknown nucleus must be

A
${}^{28}N$
B
${}^4He$
C
${}^{12}C$
✓
a nucleus with mass lighter than ${}^4He$

✓

Answer

Correct option: D.

a nucleus with mass lighter than ${}^4He$

d
The two nuclei travel in perpendicular directions relative to each other when

$\mathrm{m}_{2}=\frac{\mathrm{m}_{1}}{\mathrm{e}}$

$e<1$

$m_{2}>m_{1}$

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 5.work,energy,power and collision→5.work,energy,power and collision — all question types→Physics STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The specific heat of a gas at constant pressure is more than that of the same gas at constant volume because

A person with his hand in his pocket is skating on ice at the rate of $10 m / s$ and describes a circle of radius $50 m$. What is his inclination to vertical: $\left( g =10 m / sec ^2\right)$

If velocity $v$, acceleration $A$ and force $F$ are chosen as fundamental quantities, then the dimensional formula of angular momentum in terms of $v,\,A$ and $F$ would be

A block of mass $5\, kg$ is kept on a rough horizontal floor. It is given a velocity $33\, m/s$ towards right. A force of $20\sqrt {2\,} \,N$ continuously acts on the block as shown in the figure. If the coefficient of friction between block and floor is $0.5$ the velocity of block after $3\, seconds$ is ........ $m/s$ ($g = 10\, m/s^2$)

When a mass is rotating in a plane about a fixed point, its angular momentum is directed along

The root mean square speed of the molecules of a gas is

A force $\vec F = k[y\,\hat i\, + x\,\hat j]$ where $k$ is a positive constant acts on a particle moving in $x-y$ plane starting from the point $(3,5)$, the particle is taken along a straight line to $(5, 7)$. The work done by the force is : ............... $\mathrm{K}$

A string fixed at both ends resonates at a certain fundamental frequency. Which of the following adjustments would not affect the fundamental frequency?

The common physical property which is to be used as the basis for constructing thermometer is:

Which of the following is a unit that of force?