Length cannot be measured by - Vidyadip

MCQ

Length cannot be measured by

A
Fermi
✓
Debye
C
Micron
D
Light year

✓

Answer

Correct option: B.

Debye

(b)

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 "MCQ" from Units, Dimensions and Measurement→Units, Dimensions and Measurement — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

In an electric heater $4 amp$ current passes for 1 minute at potential difference of $250 volt$, the power of heater and energy consumed will be respectively

Longitudinal stress of $1 kg / mm ^2$ is applied on a wire. The percentage increase in length is $\left(Y=10^{11} N / m ^2\right)$

A magnet of length $0.1 \mathrm{~m}$ and pole strength $10^{-4} \mathrm{~A} . \mathrm{m}$. is kept in a magnetic field of $30 \mathrm{~Wb} / \mathrm{m}^2$ at an angle $30^{\circ}$. The couple acting on it is $\times 10^{-4} \mathrm{Nm}$.

When a current of $5\ mA$ is passed through a galvanometer having a coil of resistance $15\ \Omega$, it shows full scale deflection. The value of the resistance to be put in series with the galvanometer to convert it into to voltmeter of range $0 - 10\ V$ is

If the length of a closed organ pipe is $1 \mathrm{~m}$ and velocity of sound is $330 \mathrm{~m} / \mathrm{s}$, then the frequency for the second note is

A circuit to verify $Ohm's$ law uses ammeter and voltmeter in series or parallel connected correctly to the resistor. In the circuit

A sensitive magnetic instrument can be shielded very effectively from outside magnetic fields by placing it inside a box of

When plate voltage in diode valve is increased from $100$ volt to $150$ volt then plate current increases from $7.5\ mA$ to $12\ mA$. The dynamic plastic resistance will be

The chromatic Aberration in lenses becomes due to

If $A=3 \hat{i}+4 \hat{j}$ and $B=7 \hat{i}+24 \hat{j}$, the vector having the same magnitude as $B$ and parallel to $A$ is