MCQ
The instantaneous velocity of a body can be measured
- AGraphically
- BVectorially
- CBy speedometer
- ✓(a) and (c)
✓
Answer
Correct option: D.
(a) and (c)
d
(d)The tangent to a curve at any instant on $x$ $-t$ graph gives the instantaneous velocity of the body.
(d)The tangent to a curve at any instant on $x$ $-t$ graph gives the instantaneous velocity of the body.
Speedometer reads the velocity of the body at every instant. Thus the instantaneous velocity of the body can be measured by both graphically and by speedometer.
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
Number of molecules in a volume of $4\, cm ^{3}$ of a perfect monoatomic gas at some temperature $T$ and at a pressure of $2\, cm$ of mercury is close to $?$
→(Given, mean kinetic energy of a molecule (at $T$ ) is $4 \times 10^{-14}$ erg, $g=980\, cm / s ^{2}$, density of mercury $=13.6\, g / cm ^{3}$)
An unbanked curve has a radius of $60\,m$. The maximum speed at which a car can make a turn if the coefficient of static friction is $0.75$, is ...... $m/s$
→A wire is suspended by one end. At the other end a weight equivalent to $20\, N$ force is applied. If the increase in length is $1.0\, mm,$ the ratio of the increase in energy of the wire to the decrease in gravitational potential energy when load moves downwards by $1\, mm,$ will be
→Dimension formula of $\text{AQ}$, heat supplied to the system is:
→The dimensions $\left[ MLT ^{-2} A ^{-2}\right]$ belong to the :
→Four masses are joined to a light circular frame as shown in the figure. The radius of gyration of this system about an axis passing through the centre of the circular frame and perpendicular to its plane would be
The period of oscillation of a simple pendulum in the experiment is recorded as $2.63\, s, 2.56 s, 2.42\, s, 2.71\, s$ and $2.80 \,s$ respectively. The average absolute error is ......... $s$
→The path of a projectile in the absence of air drag is shown in the figure by dotted line. If the air resistance is not ignored then which one of the path shown in the figure is appropriate for the projectile
A ring is cut from a platinum tube $8.5\, cm$ internal and $8.7\, cm$ external diameter. It is supported horizontally from the pan of a balance, so that it comes in contact with the water in a glass vessel. If an extra $3.97\,gm$ weight is required to pull it away from water, the surface tension of water is ......... $dyne\, cm^{-1}$
→In which of the following process, convection does not take place primarily?