- (A) A unit of energy
- (B) A positively charged particle
- (C) A quantum of electromagnetic radiation
- (D) A unit of wavelength
Physics Mcqs
- (A) Interference
- (B) Polarization
- (C) Electron diffraction
- (D) Refraction
- (A) The angle of scattering is 90°
- (B) The angle of scattering is 60°
- (C) The angle of scattering is 180°
- (D) The angle of scattering is 0
- (A) Ampere
- (B) Plank
- (C) Thomson
- (D) Einstein
- (A) shifts towards longer wavelength
- (B) shifts towards shorter wavelength
- (C) remain the same
- (D) shifts towards longer as well as shorter wavelengths
- (A) 1/2 mvmax2=hf+Φ
- (B) 1/2 mvmax2-hf = Φ
- (C) 1/2 mvmax2=hf-Φ
- (D) All of above are correct
- (A) infinite
- (B) zero
- (C) very small
- (D) 1.67 x 10-27 kg
- (A) Electromagnetic gun
- (B) Source of electromagnetic waves
- (C) Deflecting charged particle
- (D) Converging source of electrons
- (A) Penetrating power is high
- (B) Kinetic energy is large
- (C) Wavelength is very short
- (D) All the above reasons
- (A) Wave property
- (B) Particle property
- (C) Energy particle
- (D) Electromagnetic wave property
