NEET Physics | Daily MCQs Practice Questions | 29 July 2024 | NEET Exam

An ideal gas expands adiabatically at constant pressure such that it's temperature varies
according to relation, ${\mathrm{TV}}^{\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$3$}\right.}=\mathrm{constant}$. What is value of  $\frac{{\mathrm{C}}_{\mathrm{V}}}{{\mathrm{C}}_{\mathrm{P}}}$ for gas ?

A disc of radius 1m and mass 1 kg is rotating about its geometrical axis with 40 radians/sec. The torque required to stop it in 10 sec will be:

The ratio of the radii of gyration of a circular disc to that of a circular ring, each of same mass and radius, around their respective geometrical axes is:

A bomb of mass 16 kg at rest explodes into two pieces of masses 4 kg and 12 kg. The velocity of the 12 kg mass is 4 ms^-1. The kinetic energy of the other mass is :

Starting from the centre of the earth having radius R, the variation in g (acceleration due to gravity) with r (distance from centre of earth) is shown by:

Elasticity is the property which is caused by-

At a given temperature which of the following gas possess maximum r.m.s. velocity?

Curie temperature is the temperature above which :

The total energy of the particle executing simple harmonic motion of amplitude A is 100 J. At a distance of 0.707 A from the mean position, its kinetic energy is:

Two stones are moving with same angular speeds in circular path of radii 1 m and 2 m respectively. The ratio of their linear speed is X Here. X refers to:

The primary and secondary coils of a transformer have 50 and 1500 turns respectively. If the magnetic flux $\phi$ linked with the primary coil is given by $\phi = \phi_0 + 6t$, where $\phi$ is flux in weber, $t$ is time in seconds and $\phi_0$ is a constant, the output voltage across the secondary coil is:

 If m is magnetic moment and B is the magnetic field. then the torque is given by:

The Earth is assumed to be a uniform sphere of radius R. A platform is arranged at a height R from the surface of the Earth. The escape velocity of a body from this platform is $\frac{\mathrm{v}}{\mathrm{n}}$ , where v is its escape velocity from the surface of the Earth. the value of $\mathrm{n}\sqrt{2}$ is :

Power dissipated across the 8 Ω resistor in the circuit shown here is 8 watt. The power dissipated in watt units across the 1Ω resistor is :

The work functions for metals A, B and C are 1.62 eV, 2.0 eV and 3.2eV respectively. According to Einstein’s equation, the metals which will emit photo electrons for a radiation of wavelength 8200 Å is/are :