Question
Alkali metals have ______. I. low melting
points II. low densitiesSolution
The alkali metals have relatively low melting point. They have a low density because alkali metals have a vast atomic radius and low weight.
Which law states that internal energy is a function of state and the increase in internal energy equals the sum of heat supplied to the system and work ...
Which among the following is not a characteristic of transition metals?
Which of the following rays are not deflected by a magnetic field?
Two spherical conductors of radii 2 cm and 8 cm are connected. The ratio of charges on them at equilibrium is:
In MRI machine, which one of the following is used?
Consider the following two statements
(A) Kirchhoff's junction law follows from the conservation of charge.
(B) Kirchhoff's loop law follo...
A new technology which provides the ability to create an artificial world and have people interact with it is called –
What device is used to measure electric current?
A metallic conductor of circular cross-section has radius R. If current density varies as J = Jₒ(1−r/R), the total current through the conductor is:...
What is the phenomenon of light splitting into colors when passing through a prism?