Silicon is an example of _________? April 15, 2025 by admin A. No-conductor B. Semiconductor C. Super Conductor D. None of these
According to quantum theory of light, photons are _______? April 15, 2025 by admin A. Waves B. Particles C. Energy packets D. Electromagnetic
The unit of torque in International system of unit is _________? April 15, 2025 by admin A. Newton B. Newton-Meter C. Kilogram D. Meter
A temporary magnet should be made from _______? April 15, 2025 by admin A. Copper B. Tin C. Iron D. None
Which one of the following is not vector quantity _______? April 15, 2025 by admin A. Acceleration B. Displacement C. Speed D. Force
Dental mirror is what type of a mirror? April 15, 2025 by admin A. Convex mirror B. Concave mirror C. Plane mirror D. none of theseMouth mirror used by a dentist is…
Which one of the following represents a chemical change_________? April 15, 2025 by admin A. Sublimation of iodine B. Heating a platinum wire in a Bunsen flame C. Heating of mercuric oxide powder D. Evaporation of alcohol
The hormone that increases the rate of heart beat and blood pressure after shock in a person is___________? April 15, 2025 by admin A. Adrenalin B. Gastrin C. Thyroxin D. Pancreatic
Which layer of the atmosphere reflects radio waves back to the earth’s surface? April 15, 2025 by admin A. Troposphere B. Stratosphere C. Ozone layer D. Ionosphere
The average weight of man’s brain is 4.8 ounces. What is the average weight of woman’s brain ? April 15, 2025 by admin A. 4.8 ounce B. 5.8 ounce C. 5.4 ounce D. 4.4 ounce