Physics MCQs here cover topics like Definition of Physics, Branches of Physics, Class 9, Class 10, Class 11, Class 12, SST test, and Everyday General Science MCQs. Physics MCQs for entry tests. Chemistry MCQS , Biology Mcqs
If a lift is going up with acceleration, the apparent weight of a body is :
A. Less than the true weight
B. Equal to the true weight
C. More than the true weight
D. More or less the true weightSo, when a lift accelerates upwards, the apparent weight of the person inside it increases.
With the increase of pressure, the boiling point of any substance :
A. Increases
B. Becomes Zero
C. Decreases
D. Remains sameThe boiling point of a liquid increases with increase in pressure.
Which one of the following has the highest value of specific heat ?
A. Methane
B. Kerosene
C. Alcohol
D. WaterIf electrical conductivity increases with the increase of temperature of a substance, then it is a :
A. Insulator
B. Conductor
C. Semiconductor
D. a and bThe electrical conductivity of semiconductors increases with increasing temperature because, with increase in temperature, number of electrons from the valence bond can jump to the conduction band in semiconductors.
Young’s modulus is the property of _______ ?
A. Solid only
B. Liquid only
C. Gas only
D. None of themWhich of the following is used to control rods in nuclear fission ?
A. Heavy Water
B. Cadmium
C. Graphite
D. None of themTick the correct statement ________ ?
A. Moderators absorb the neutrons
B. Moderators reflect the neutrons
C. Moderators slow down the neutrons
D. Moderators bring the neutrons to restValue of R ( Universal Gas Constant ) = ______ ?
A. 10.314 J/mole K
B. 8.314 J/mole K
C. 6.5 J/mole K
D. 1.314 J/mole KThe gas constant value is given by R = 8.3144598(48) J⋅mol^−1⋅K^−1.
Mirage is an example of _______ ?
A. refraction of light
B. Scattering of light
C. reflection of light
D. Refraction and total internal reflection of lightA Circle has a number of tangents equal to _____ ?
A. 1
B. 2
C. Infinite
D. 0Explanation: A circle has infinitely many tangents, touching the circle at infinite points on its circumference.