NEET Physics MCQ: NCERT Principle of Homogeneity

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

🔄Ncert Concepts :Derived quantities, Fundamental quantities, Temperature

Related Questions

One light year is defined as the distance travelled by light in one year. The speed of light is $3 imes {10^8}{\rm{m}}{{\rm{s}}^{ - 1}}$ . The same in metre is

$3 imes {10^{12}}m$

$9.461 imes {10^{15}}m$

$3 imes {10^{15}}m$

None of these

Question Tags

⚡ Time Required :2 mins

🔄Ncert Concepts :speed, distance, time, unit conversion

A sextant is used to measure

The angle between a celestial object and the horizon

The distance between two celestial objects

The speed of a vessel at sea

The depth of the ocean

Question Tags

🔄Ncert Concepts :Sextant, Measurement, Height

The unit of specific resistance is

$Ohm/c{m^2}$

Ohm/cm

Ohm-cm

${(Ohm - cm)^{ - 1}}$

Question Tags

🎯Difficulty :Easy

🔄Ncert Concepts :Specific Resistance, Units of Measurement

The mass of a box is 2.3 g. Two gold pieces, each of mass 0.035 g, are placed in it. The total mass of the box and gold pieces is

2.3 g

2.335 g

2.37 g

2.4 g

Question Tags

🔄Ncert Concepts :addition, decimals

Temperature can be expressed as a derived quantity in terms of any of the following

Heat

Internal Energy

Mass and Velocity

None of the above

Question Tags

🎯Difficulty :Easy

🔄Ncert Concepts :Derived quantities, fundamental quantities, temperature

Oersted is a unit of

Dip

Magnetic intensity

Magnetic moment

Pole strength

Question Tags

🔄Ncert Concepts :Units of magnetism, Magnetic intensity

The time taken by an electron to go from ground state to excited state is one shake (one shake = ${10^{ - 8}}$ s) this time in nanosecond will be

10 ns

4 ns

2 ns

25 ns

Question Tags

🔄Ncert Concepts :Unit Conversion, Time Measurement

Unit of moment of inertia in MKS system

$kg imes c{m^2}$

${\rm{k}}g/c{m^2}$

$kg imes {m^2}$

$Joule imes m$

Question Tags

🔄Ncert Concepts :Moment of Inertia, MKS System, Units

Unit of magnetic moment is

$Ampere - metre{\;^2}$

Ampere – metre

$Weber\;--\;metr{e^2}$

Weber/metre

Question Tags

🔄Ncert Concepts :magnetic moment, units

10.

If K denotes coefficient of thermal conductivity, d the density and c the specific heat, the unit of X, where X=K/dc will be

${\rm{cm}}{\sec ^{ - 1}}\;$

${\rm{c}}{{\rm{m}}^2}{\sec ^{ - 2}}\;$

cm sec⁡

${\rm{c}}{{\rm{m}}^2}{\sec ^{ - 1}}\;$

Question Tags