The de-Broglie wavelength of an electron in the first Bohr orbit is
The de-Broglie wavelength of an electron in the first Bohr orbit is Options (a) Equal to one-fourth the circumference of…
7 years ago
KA2002
Velocities of sound measured in hydrogen and oxygen gas at a given temperature
Velocities of sound measured in hydrogen and oxygen gas at a given temperature will be in the ratio Options (a)…
7 years ago
A super conductor exhibits perfect
A super conductor exhibits perfect Options (a) Ferrimagnetism (b) Ferromagnetism (c) Paramagentism (d) Diamagnetism Correct Answer: DiamagnetismExplanation:No explanation available. Be…
7 years ago
A satellite is revolving around the earth with a kinetic energy E. The minimum
A satellite is revolving around the earth with a kinetic energy E. The minimum addition of kinetic energy needed to…
7 years ago
The resultant of two forces, one double the other in magnitude, is perpendicular
The resultant of two forces, one double the other in magnitude, is perpendicular to the smaller of the two forces.…
7 years ago
A neutral fertilizer among these compounds is
A neutral fertilizer among these compounds is Options (a) ammonium nitrate (b) urea (c) CAN (d) ammonium sulphate Correct Answer:…
7 years ago
A drug that is antipyretic as well as analgesic is
A drug that is antipyretic as well as analgesic is Options (a) Penicillin (b) Chloroquin (c) Para-acetamidophenol (d) Chloropromazine hydrochloride…
7 years ago
Water lost by transpiration is
Water lost by transpiration is Options (a) rich in dissolved minerals (b) rich in solutes (c) pure water (d) rich…
7 years ago
In angiosperms, triple fusion results in the formation of
In angiosperms, triple fusion results in the formation of Options (a) secondary nucleus (b) polar nucleus (c) primary endosperm nucleus…
7 years ago
The cohesive force existing between molecules of water is contributing to
The cohesive force existing between molecules of water is contributing to Options (a) plasmolysis (b) translocation (c) ascent of sap…
7 years ago