Questions

Convex mirror is used as rear view mirror in vehicles. Because the image is smaller, more image can fit onto the mirror, so a convex mirror provides for a larger field of view than a plane mirror. This is why they are useful.

According to wave theories, for Total internal reflection tohappen: Light must travel from denser medium to rarer medium. Angle of incidence should be greater than critical angle. As in case of TIR, the image is perfectly clear, it implies that there has been no loss of intensity.

We know that, largest producer of tea is China and largest producer of sugar is Brazil. So we can violate options A, C and D.

Hence, India is the largest producer and consumer of Pulses.

Data registers - can be assigned to a variety of functions by the programmer. They can be used with any machine instruction that performs operations on data.
Address registers - contain main memory addresses of data and instructions or they contain a portion of the address that is used in the calculation of the complete addresses.

Indus Valley Civilization flourished during 2500-1750 B.C. Indus Valley Civilization is also called as Bronze age civilization.

A Watermelon is the one which have upper layer in green, the second layer with white and the inner layer in red colour which have seeds in it.

Ilbert  Bill  was  introduced  in  1883 by  Viceroy  Ripon.  It  proposed  to grant  limited  criminal  jurisdiction to  native  officials  over  European British    subjects    living    in    the districts under their charge.It also allowed Indian judges and magistrates  the  jurisdiction  to  try British  offenders  in  criminal  cases. After opposition from Europeans in Britain as well as India, the bill was withdrawn  and  reintroduced  after amendment  saying  that  a  jury  of 50%  Europeans  was  required  if  an Indian    judge    was    to    face    a European.