MCQ
A particle revolves round a circular path. The acceleration of the particle is
- AAlong the circumference of the circle
- BAlong the tangent
- ✓Along the radius
- DZero
✓
Answer
Correct option: C.
Along the radius
(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
Two identical blocks $A$ and $B$, each of mass ' $m$ ' resting on smooth floor are connected by a light spring of natural length $L$ and spring constant K, with the spring at its natural length. A third identical block ' $C$ (mass $m$ ) moving with a speed $v$ along the line joining $A$ and $B$ collides with $A$. the maximum compression in the spring is
→The particles of a medium vibrate about their mean positions whenever a wave travels through that medium. The phase difference between the vibrations of two such particles
When two bodies stick together after collision, the collision is said to be
Which of the following is correct
A $0.7$ henry inductor is connected across a $120\ V -60 \ Hz$ ac source. The current in the inductor will be very nearly
→A lift is going up. The variation in the speed of the lift is as given in the graph. What is the height to which the lift takes the passengers Cannot be calculated from the above graph
Light of wavelength $4000 \mathring A$ is incident on a sodium surface for which the threshold wave length of photo - electrons is $5420 \mathring A$. The work function of sodium is
→The ratio of lengths of two rods $A$ and $B$ of same material is $1: 2$ and the ratio of their radii is $2: 1$, then the ratio of modulus of rigidity of $A$ and $B$ will be
→A thermodynamic process is shown in the figure. The pressures and volumes corresponding to some points in the figure are :
$P_A=3 \times 10^4 \mathrm{~Pa}, P_B=8 \times 10^4 \mathrm{~Pa} \text { and }$
$ V_A=2 \times 10^{-3} \mathrm{~m}^3, V_D=5 \times 10^{-3} \mathrm{~m}^3$
In process $A B, 600 \mathrm{~J}$ of heat is added to the system and in process $B C, 200 \mathrm{~J}$ of heat is added to the system. The change in internal energy of the system in process $A C$ would be
→$P_A=3 \times 10^4 \mathrm{~Pa}, P_B=8 \times 10^4 \mathrm{~Pa} \text { and }$
$ V_A=2 \times 10^{-3} \mathrm{~m}^3, V_D=5 \times 10^{-3} \mathrm{~m}^3$
In process $A B, 600 \mathrm{~J}$ of heat is added to the system and in process $B C, 200 \mathrm{~J}$ of heat is added to the system. The change in internal energy of the system in process $A C$ would be
The period of oscillations of a magnet is $2 \mathrm{sec}$. When it is remagnetised so that the pole strength is 4 times its period will be
→