Question
Assertion : Fax is a modulating and demodulating device.
Reason     : It is necessary for exact reproduction of a document.(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 assertion is false but reason is true.
 
 
 
 

Answer

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

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 electric potential decreases uniformly from $120V$ to $80V$ as one moves on the $x-$axis from $x = -1\ cm$ to $x = + 1\ cm.$ The electric field at the origin.
An electric dipole is kept in non-uniform electric field. It experiences (a) A force and a torque(b) A force but not a torque(c) A torque but not a force(d) Neither a force nor a torque
   
   
The photoelectric current does not depend upon the:
  1. Frequency of incident light.
  2. Work function of the metal.
  3. Stopping potential.
  4. Intensity of incident light.
A combination of two thin lenses with focal lengths $\mathrm{f}_1$ and $\mathrm{f}_2$ respectively forms an image of distant object at distance $60 \ cm$ when lenses are in contact. The position of this image shifts by $30 \ cm$ towards the combination when two lenses are separated by $10 \ cm.$ The corresponding values of $\mathrm{f}_1$ and $\mathrm{f}_2$ are
Carbon has __________ isotopes.
With increase in temperature the conductivity of:
The property of cathode rays used in the monitor of a computer is:
The polarisation is measured in:
Let $E_1$​ and $E_{2​}$ be the binding energies of two nuclei $A$ and $B.$ It is observed that two nuclei of A combine together to form a $B$ nucleus. This observation is correct only if:
A gas is contained in a metallic cylinder fitted with a piston. The piston is suddenly moved in to compress the gas and is maintained at this position. As time passes the pressure of the gas in the cylinder:
  1. Increases.
  2. Decreases.
  3. Remains constant.
  4. Increases or decreases depending on the nature of the gas.