KA2002

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…

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)…

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…

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…

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.…

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:…

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…

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…

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…

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…