Top 1000+ Solved Physics MCQ Questions Answer
Q. Which type of reaction produces the most harmful radiation?
a. Fusion reaction
b. Fission reaction
c. Chemical reaction
d. Photo-Chemical reaction
Q. While catching a ball, a player pulls down his hands to lower the –
a. force
b. momentum
c. impulse
d. catching time
Q. A camera uses a to form an image on a piece of film at the back.
a. convex lens
b. concave lens
c. diverging lens
d. none of these
Q. In 1866, John Newlands, an English scientist, arranged the then known elements in the order of increasing atomic masses. He found that every eighth element had properties similar to that of the first. He called it the -
a. Law of Pentamates
b. Law of musical notes
c. Law of Octaves
d. None of the above
Q. Which of the following pairs of physical quantities have the same dimensions?
a. Force and Power
b. Work and Power
c. Work and Energy
d. Momentum and Power
Q. Magnetism in materials is due to -
a. electrons at rest
b. circular motion of electrons
c. protons at rest
d. all neutrons at rest
Q. During washing of clothes, we use indigo due to its –
a. Better cleaning action
b. Proper pigmental composition
c. High glorious nature
d. Very low cost
Q. Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in -
a. Conduction
b. Convection
c. Radiation
d. Both conduction and convection
Q. If the temperature of a piece increases suddenly, the relative humidity–
a. increases
b. decreases
c. remains constant
d. fluctuates
Q. What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius?
a. All ice will melt
b. All water will become ice
c. No change will happen
d. Only some ice will melt