Monochromatic light of frequency 6.0 x 10¹⁴ Hz is produced by a laser. The power emitted
Monochromatic light of frequency 6.0 x 10¹⁴ Hz is produced by a laser. The power emitted is 2 x 10⁻³…
7 years ago
AIPMT2007
A 5 watt source emits monochromatic light of wavelength 5000Å. When placed
A 5 watt source emits monochromatic light of wavelength 5000Å. When placed 0.5 m away, it liberates photoelectrons from a…
7 years ago
A steady current of 1.5 amp flows through a copper voltmeter for 10 minutes
A steady current of 1.5 amp flows through a copper voltmeter for 10 minutes. If the electrochemical equivalent of copper…
7 years ago
The resistance of an ammeter is 13Ω and its scale is graduated for a current
The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100 amps. After an…
7 years ago
Three resistances P,Q,R each of 2Ω and an unknown resistances S form the four arms
Three resistances P,Q,R each of 2Ω and an unknown resistances S form the four arms of a Wheatstone bridge circuit.…
7 years ago
If the nucleus ²⁷₁₃Al has nuclear radius of about 3.6 fm
If the nucleus ²⁷₁₃Al has nuclear radius of about 3.6 fm, then ¹²⁵₃₂Te would have its radius approximately as Options…
7 years ago
The kinetic energy of an electron in the first excited state is
The total energy of electron in the ground state of hydrogen atom is -13.6 eV. The kinetic energy of an…
7 years ago
What is the value of incidence L for which the current is maximum in a series LCR
What is the value of incidence L for which the current is maximum in a series LCR circuit with C…
7 years ago
A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
A transformer is used to light a 100 W and 110 V lamp from a 220 V mains. If the…
7 years ago
The primary and secondary coil of the transformer have 50 and 1500 turns respectively
The primary and secondary coil of the transformer have 50 and 1500 turns respectively. If the magnetic flux ? linked…
7 years ago