For a normal eye, the cornea of eye provides a converging power 40 D and the least
For a normal eye, the cornea of eye provides a converging power 40 D and the least converging power of…
6 years ago
NEET2013
A wave travelling in the +ve x-direction having displacement along y-direction as 1m
A wave travelling in the +ve x-direction having displacement along y-direction as 1m, wavelength 2π and frequency 1 /π Hz…
6 years ago
A source of unknown frequency gives 4 beats/s, when sounded with a source harmonic
A source of unknown frequency gives 4 beats/s, when sounded with a source harmonic of the source of unknown frequency…
6 years ago
If we study the vibration of a pipe open at both ends
If we study the vibration of a pipe open at both ends, then which of the following statements is not…
6 years ago
A parallel beam of fast moving electrons is incident normally on a narrow slit.
A parallel beam of fast moving electrons is incident normally on a narrow slit. A flourescent screen is placed at…
6 years ago
During an adiabatic process, the pressure of a gas is found to be proportional
During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its temperature.…
6 years ago
In a common emitter (CE) amplifier having a voltage gain G, the transistor
In a common emitter (CE) amplifier having a voltage gain G, the transistor used has transconductance 0.03 mho and current…
6 years ago
In a n-type semiconductor, which of the following statement is true?
In a n-type semiconductor, which of the following statement is true? Options (a) Electrons and minority carriers and pentavalent atoms…
6 years ago
The wavelength λₑ of an electron and λₚ of a photon are of same energy E are related by
The wavelength λₑ of an electron and λₚ of a photon are of same energy E are related by Options…
6 years ago
For photoelectric emission from certain metal the cut-off frequency is v
For photoelectric emission from certain metal the cut-off frequency is v. If radiation of frequency 2v impinges on the metal…
6 years ago