Question

Assertion  :   Conductors having equal positive charge and volume, must also have same potential.

Reason     :   Potential depends only on charge and volume of conductor.

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(c) If assertion is true but reason is false.

(d) If the assertion and reason both are false.

Answer

(d) If the assertion and reason both are false.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The oscillating electric and magnetic vectors of an electromagnetic wave are oriented along

(a) The same direction but differ in phase by 90°

(b) The same direction and are in phase

(c) Mutually perpendicular directions and are in phase

(d) Mutually perpendicular directions and differ in phase by 90°

A person A can clearly see objects between 25cm and 200cm. Which of the following may represent the range of clear vision for a person B having muscles stronger than A, but all other parameters of eye identical to that of A?

Assertion  :   When charges are shared between any two bodies, no charge is really lost, but some loss of energy does occur.

Reason      : Some energy disappears in the form of heat, sparking etc.

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(c) If assertion is true but reason is false.

(d) If the assertion and reason both are false.

Ionization energy of a hydrogen-like ion A is greater than that of another hydrogen-like ion B. Let r, u, E and L represent the radius of the orbit, speed of the electron, energy of the atom and orbital angular momentum of the electron respectively. In ground state:

Which of the following is quantised according to Bohr’s theory of hydrogen atom

(a) Linear momentum of electron

(b) Angular momentum of electron

(c) Linear velocity of electron

(d) Angular velocity of electron

Two insulated metallic spheres of 3 μF  and 5 μF capacitances are charged to 300 V and 500V respectively. The energy loss, when they are connected by a wire is

(a) 0.012 J

(b) 0.0218 J

(c) 0.0375 J

(d) 3.75 J

In frequency modulation

(a) The amplitude of modulated wave varies as frequency of carrier wave

(b) The frequency of modulated wave varies as amplitude of modulating wave

(c) The amplitude of modulated wave varies as amplitude of carrier wave

(d) The frequency of modulated wave varies as frequency of modulating wave

The narrowest hysterisis loop is for:

Which of the following cannot be seen by a microscope?

In intrinsic semiconductor at room temperature, number of electrons and holes are

(a) Unequal

(b) Equal

(c) Infinite

(d) Zero