UP2015

The cellular transport method which involves use of transmembrane proteins

The cellular transport method which involves use of transmembrane proteins without energy expenditure is called Options (a) diffusion (b) facilitated…

There is a ring of radius r having linear charge densityλ and rotating with a uniform

There is a ring of radius r having linear charge density λ and rotating with a uniform angular velocity ω.…

A ray enters a glass sphere of refractive index μ=√3 at an angle of incidence of 60⁰

A ray enters a glass sphere of refractive index μ=√3 at an angle of incidence of 60⁰, a ray is…

The relationship between decay constant λ and half-life T of a radioactive substance is

The relationship between decay constant λ and half-life T of a radioactive substance is Options (a) λ=log₁₀2/T (b) λ=logₑ2/T (c)…

The kinetic energy of α-particle emitted in the α-dacay of ₈₈Ra²²⁶ is

The kinetic energy of α-particle emitted in the α-dacay of ₈₈Ra²²⁶ is [given, mass number of Ra=222 u] Options (a)…

If the electric field lines is flowing along axis of a cylinder, then the flux

If the electric field lines is flowing along axis of a cylinder, then the flux of this field through the…

The current gain of a transistor in common base configuration is 0.96.

The current gain of a transistor in common base configuration is 0.96. Corresponding to the change in emiiter current 10…

The p-type semiconductor is

The p-type semiconductor is Options (a) positively charged (b) negatively charged (c) electrically charged (d) unchanged at 0 K or…

A potentiometer wire of length 100cm has a resistance of 10Ω. It is connected in series

A potentiometer wire of length 100cm has a resistance of 10Ω. It is connected in series with a resistance and…

An inductor coil is connected to a 12 V battery and drawing a current 24 A. This coil

An inductor coil is connected to a 12 V battery and drawing a current 24 A. This coil is connected…