Radioactive isotope of Uranium used in Nuclear Bomb is ? Options: A.92 U 235B.92 U 234C. 92 U 233D. 92 U 238 View Answer A.92 U 235
It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______? Options: View Answer
Person with following blood group are considered to be universal recipient ? Options: A. A+B. B+C. AB+D. O+ View Answer C. AB+
Copper can be converted into gold by ? Options: A. Artificial radioactivityB. heatingC. ElectroplatingD. Chemical reaction View Answer A. Artificial radioactivity
Human population growth is greatest in developing countries because ? Options: A. the birth rate is high in developing countriesB. the death rate is high in developing countries.C. much of the population has already reached the child bearing age.D. most of the world View Answer A. the birth rate is high in developing countries
Lactometer is a type of Hydrometer which is used to measure the specific gravity of _________? Options: View Answer
When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________? Options: View Answer