Question
Out of following four dimensional quantities, which one quantity is to be called a dimensional constant
✓
Answer
Acceluation dueto gravity changelas we move on surface of earth.
Swrface tension of water varies with temperetore. standard kgis defined mannally. Velocity of light is constant $3 \times 10^{8 . m / s }$.
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 body of mass $1 \ kg$ begins to move under the action of a time dependent force $\overrightarrow {\;F\;} = (2t\hat i + 3{t^2}\hat j$) $N$ where $\hat i$ and $\hat j$ are unit vectors along $x$ and $y$ axis. What power will be developed by the force at the time $t?$
→Surface of the lake is at $2°C$ . Find the temperature of the bottom of the lake..... $^oC$
→Through which character we can distinguish the light waves from sound waves
An inductance $L$ and a resistance $R$ are first connected to a battery. After some time the battery is disconnected but $L$ and $R$ remain connected in a closed circuit. Then the current reduces to $37\%$ of its initial value in
→A rocket has an initial mass of $20 \times {10^3}\,kg$. If it is to blast off with an initial acceleration of $4\,m{s^{ - 2}}$, the initial thrust needed is $(g = 10\,m{s^{ - 2}})$
→Five balls numbered $1$ to $5$ are suspended using separate threads. Pairs $(1, 2)$, $(2, 4)$ and $(4, 1)$ show electrostatic attraction, while pair $(2, 3)$ and $(4, 5)$ show repulsion. Therefore ball $1$ must be
→A uniform wire of resistance $R$ is uniformly compressed along its length, until its radius becomes $n$ times the original radius. Now resistance of the wire becomes
→In $LR$ circuit the current increases to one fourth of its maximum value in $4\,sec$, then the time constant of the circuit is
→A simple pendulum is made of a body which is a hollow sphere containing mercury suspended by means of a wire. If a little mercury is drained off, the period of pendulum will
Watt-hour meter measures