HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions for Physics

What is stated in terms of Bohr magneton? 

The electron in the hydrogen atom is moving with a speed of 2.5 × 10⁶ m/s in an orbit of a radius of 0.5 Å. What is the Magnetic moment of the revolving electron?    

Explain the origin of magnetism in material, hence find a magnetic moment of an electron revolving around the nucleus of an atom. 

What is the relation between average current and rms current over half cycle? 

State the average or mean value of an alternating emf? Obtain the expression for it.

State the rms value of an alternating current? Write the relation between the rms value and peak value of an alternating current that varies with time. 

The electrons are emitted in the photoelectric effect from a metal surface.

As the intensity of incident light increases ______ 

The maximum kinetic energy of the photoelectrons depends only on ______ 

Planck's constant is 6.6 × 10^-34 Js. The momentum of each photon is given radiation Is 3.3 × 10^-29 kg/s. The λ of radiation is ______.

Define photoelectric effect. 

The minimum frequency for photoelectric effect on metal is 7 × 10¹⁴ Hz, Find the work function of the metal. 

Find the kinetic energy of the emitted electron, if in photoelectric effect energy of incident Photon is 4 eV and work function is 2.4 eV. 

Find the energy of photon which have momentum 2 × 10^-16 gm-cm/sec.  

Draw a neat labelled diagram of a schematic of the experimental setup for the photoelectric effect. 

Explain the concept of the photoelectric effect. 

If the total energy of radiation of frequency 10¹⁴ Hz is 6.63 J, Calculate the number of photons in the radiation. 

State Einstein photoelectric equation. 

With the help of a circuit diagram describing an experiment to study the photoelectric effect.

What is the photoelectric effect? Define stopping potential and photoelectric work function.