To obtain a p-type semiconductor, germanium must be doped with
To obtain a p-type semiconductor, germanium must be doped with Options (a) Arsenic (b) Antimony (c) Indium (d) Phosphorus Correct…
7 years ago
BHU2007
What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω and load resistance is 24…
7 years ago
If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
If h is Planck's constant, the momentum of a photon of wavelength 0.01 Å is Options (a) 10⁻² h (b)…
7 years ago
If the velocity of an electron increases, then its de Broglie wavelength will
If the velocity of an electron increases, then its de Broglie wavelength will Options (a) Increase (b) Decrease (c) Remain…
7 years ago
If the radioactive dacay constant of radium is 1.07 x 10⁻⁴ year⁻¹, then its half-life
If the radioactive dacay constant of radium is 1.07 x 10⁻⁴ year⁻¹, then its half-life is approximately Options (a) 8900…
7 years ago
In the Bohr’s model of hydrogen atom, the ratio of the kinetic energy to the total
In the Bohr's model of hydrogen atom, the ratio of the kinetic energy to the total energy of the electron…
7 years ago
Bohr’s postulates quantizes
Bohr's postulates quantizes Options (a) atomic mass (b) charge (c) angular momentum (d) energy Correct Answer: angular momentumExplanation:No explanation available.…
7 years ago
Which of the following does not increase regularly?
Which of the following does not increase regularly? Options (a) mass number (b) atomic number (c) packing fraction (d) binding…
7 years ago
An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m. When it is…
7 years ago
3 persons are initially at the 3 corners of an equilateral triangle
3 persons are initially at the 3 corners of an equilateral triangle whose side is equal to d. Each person…
7 years ago