Physics Quiz During Lockdown

Diffraction of slow moving electrons is used to estimate

The condition for constructive interference is path difference should be equal to

The graph between the potential difference and current for non- Ohmic media will not be

Natural frequency of a guitar string can be changed by changing it's

The Phase Space refers to

When white light is passed through cool gases, spectra observed is called

The first working laser was

In any natural process, the entropy

Static friction is

In Spherical Polar Co-ordinates θ represents

At the top of the trajectory of a projectile the velocity vector and acceleration vectors are

The penetration of waves into the regions of the geometrical shadow is

Waves associated with electrons are referred to as

When the temperature of metallic conductor is raised, the product of conductivity & resistivity

The apparent weight of a body in a lift is less than the real weight when the lift is going

A rigid body moving freely in space has degrees of freedom

Water rises in a capillary tube due to

The constraints on a bead sliding on a uniformly rotating wire in a force free space is

Longitudinal waves gives rise to

High speed electrons have wavelength of order

Out of following the one which is not a source of emf

In cars, springs are damped by

The gas constant (R) is equal to the __________ of two specific heats

Fringes are referred to as

Band gap in superconductors is

According to Newton, light travels as

The magnetic moment of a diamagnetic atom is

Loss of energy of an electron results in

As wave travels, intensity

Decay of μ- mesons supports

Speed of electromagnetic radiation is independent of

When pressure is applied on ice

Electrons show diffraction effects because their de Broglie wavelength is similar to

Our eyes detect oscillations up to

Domain formation is a necessary feature of

The angular velocity of earth’s rotation on its own axis is

If swing moves from right to left, then velocity is

Intensity of sun's radiation is about

1 Volt numerically equal to

The Escape velocity of a particle of mass M and radius R is

The efficiency of Carnot cycle depends upon

Light interacts with matter as

Suppose there exists in nature a body with charge 1.7 e. It Will violate principle of

The relation between degree and radian is

The electric field produced by moving charge depends on

Equation of state for a thermodynamic system is a relationship between

Which of the following unit of magnetic in Induction in SI system

The following materials are stretched adiabatically, Which will show a rise in temperature

Rotational energy of molecule is of the order of

In He-Ne Laser the active medium is

The electric field in a charged hollow cylinder is

The state is said to be stationary if its probability density is

Unit of Electric Flux in SI unit is

A body moving under inverse square law force will follow elliptical path if the eccentricity is

Which of the following particles obey Fermi Dirac statistics

Which of the following thermodynamic potentials remains constant in Joule Thomson effect

Gas atoms that exert negligible electrical forces on each other are

Which of the thermodynamic parameter is an intensive parameter