Download Top 25 RRB Group-D Physics Questions and Answers PDF. RRB Group-D Physics questions based on asked questions in previous exam papers very important for the Railway Group-D exam.<\/p>\n
Download RRB Group D Physics Questions PDF<\/a><\/p>\n\n Download RRB Group-D Previous Papers PDF<\/a><\/p>\n Take a RRB Group-D free mock test<\/a><\/p>\n Question 1:\u00a0<\/b>Which of the following is the weakest attraction force?<\/p>\n a)\u00a0Hydrogen Bond<\/p>\n b)\u00a0Ionic Bond<\/p>\n c)\u00a0Covalent Bond<\/p>\n d)\u00a0Vander wall Attraction<\/p>\n Question 2:\u00a0<\/b>\u201cPascal\u201d is a unit of which of the following measures?<\/p>\n a)\u00a0Pressure<\/p>\n b)\u00a0Weight<\/p>\n c)\u00a0Length<\/p>\n d)\u00a0Volume<\/p>\n Question 3:\u00a0<\/b>For which of the following is light year a unit of?<\/p>\n a)\u00a0speed of light<\/p>\n b)\u00a0distance<\/p>\n c)\u00a0time<\/p>\n d)\u00a0intensity of light<\/p>\n Question 4:\u00a0<\/b>Which of the following light has the lowest energy?<\/p>\n a)\u00a0Red light<\/p>\n b)\u00a0Blue light<\/p>\n c)\u00a0Violet light<\/p>\n d)\u00a0Indigo light<\/p>\n Question 5:\u00a0<\/b>What is the value of gravity on the moon?<\/p>\n a)\u00a01.62 $m\/s^2$<\/p>\n b)\u00a01.93 $m\/s^2$<\/p>\n c)\u00a04.903 $m\/s^2$<\/p>\n d)\u00a09.807 $m\/s^2$<\/p>\n Take a free mock test for RRB Group-D<\/a><\/p>\n\n Question 6:\u00a0<\/b>The wavelength of ultra-violet light is of which order?<\/p>\n a)\u00a0100 nm<\/p>\n b)\u00a0100 microns<\/p>\n c)\u00a0100 mm<\/p>\n d)\u00a0100 cm<\/p>\n Question 7:\u00a0<\/b>What is the mathematical expression of Mass energy equation?<\/p>\n a)\u00a0E =$cm^2$<\/p>\n b)\u00a0c =$mE^2$<\/p>\n c)\u00a0m =$Ec^2$<\/p>\n d)\u00a0E =$mc^2$<\/p>\n Question 8:\u00a0<\/b>What is the mathematical expression for the Newton’s Second law of Motion?<\/p>\n a)\u00a0a = Fm<\/p>\n b)\u00a0F = mW<\/p>\n c)\u00a0F = ma<\/p>\n d)\u00a0m = Fa<\/p>\n Question 9:\u00a0<\/b>According to the Boyle’s Law, what is the relationship between volume and pressure at constant temperature?<\/p>\n a)\u00a0Volume is logaithmic of pressure<\/p>\n b)\u00a0Volume is directly proportional to pressure<\/p>\n c)\u00a0Volume is inversely proportional to pressure<\/p>\n d)\u00a0None of these<\/p>\n Question 10:\u00a0<\/b>The phenomenon by which light bends when it travels from one medium to another is called<\/p>\n a)\u00a0polarization<\/p>\n b)\u00a0diffraction<\/p>\n c)\u00a0lateral inversion<\/p>\n d)\u00a0refraction<\/p>\n RRB Group D previous year papers<\/a><\/p>\n Daily Free RRB Online Test<\/a><\/p>\n Question 11:\u00a0<\/b>What is the reason behind the spherical shape of water drops?<\/p>\n a)\u00a0The surface area of a sphere is the minimum for a given volume<\/p>\n b)\u00a0The surface area of a sphere is the maximum for a given volume<\/p>\n c)\u00a0The volume of a sphere is the least<\/p>\n d)\u00a0The shape of water drops is not spherical<\/p>\n Question 12:\u00a0<\/b>What is the SI unit of work?<\/p>\n a)\u00a0Newton<\/p>\n b)\u00a0Watt<\/p>\n c)\u00a0Joule<\/p>\n d)\u00a0Meter<\/p>\n Question 13:\u00a0<\/b>The distance between galaxies is usually measured in what units?<\/p>\n a)\u00a0meters<\/p>\n b)\u00a0light years<\/p>\n c)\u00a0kilo light years<\/p>\n d)\u00a0kilometers<\/p>\n Question 14:\u00a0<\/b>Among the following forces, which one is the weakest?<\/p>\n a)\u00a0weak nuclear force<\/p>\n b)\u00a0electromagnetic force<\/p>\n c)\u00a0gravitational force<\/p>\n d)\u00a0strong nuclear force<\/p>\n Question 15:\u00a0<\/b>What is meaning of one unit carbon permit?<\/p>\n a)\u00a0One cubic meter of carbon dioxide<\/p>\n b)\u00a0One quintal carbon dioxide<\/p>\n c)\u00a0One metric ton of carbon dioxide<\/p>\n d)\u00a0One thousand metric tons of carbon dioxide<\/p>\n 770 Mocks (cracku Pass) Just Rs.199<\/a><\/p>\n Question 16:\u00a0<\/b>What is the best material for making the core of an electromagnet?<\/p>\n a)\u00a0Annealed steel<\/p>\n b)\u00a0High Carbon steel<\/p>\n c)\u00a0Low carbon steel<\/p>\n d)\u00a0Soft iron<\/p>\n Question 17:\u00a0<\/b>Which alloy of aluminium is used for making magnets?<\/p>\n a)\u00a0Duralumin<\/p>\n b)\u00a0Magnalium<\/p>\n c)\u00a0Alnico<\/p>\n d)\u00a0Magnox<\/p>\n Question 18:\u00a0<\/b>Escape velocity of moon is:<\/p>\n a)\u00a09.8 km\/s<\/p>\n b)\u00a09.8 m\/s<\/p>\n c)\u00a02.38 km\/s<\/p>\n d)\u00a02.38 m\/s<\/p>\n Question 19:\u00a0<\/b>Escape velocity of earth is:<\/p>\n a)\u00a09.8 m\/s<\/p>\n b)\u00a09.8 m\/hr<\/p>\n c)\u00a011.2 km\/s<\/p>\n d)\u00a011.2 km\/h<\/p>\n Question 20:\u00a0<\/b>The SI unit of gravity is:<\/p>\n a)\u00a0$m\/s^2$<\/p>\n b)\u00a0$m^2\/s$<\/p>\n c)\u00a0$m^2\/s^2$<\/p>\n d)\u00a0$m\/s$<\/p>\n RRB Group-D Important Questions (download PDF)<\/a><\/p>\n\n Question 21:\u00a0<\/b>The unit of power is:<\/p>\n a)\u00a0Joule<\/p>\n b)\u00a0Watt<\/p>\n c)\u00a0Kelvin<\/p>\n d)\u00a0Pascal<\/p>\n Question 22:\u00a0<\/b>The force existing between two like charges is known as?<\/p>\n a)\u00a0Repulsive force<\/p>\n b)\u00a0Attractive force<\/p>\n c)\u00a0Electromotive force<\/p>\n d)\u00a0Gravitational force<\/p>\n Question 23:\u00a0<\/b>Light year is a measure of<\/p>\n a)\u00a0Time<\/p>\n b)\u00a0Speed<\/p>\n c)\u00a0Distance<\/p>\n d)\u00a0Brightness<\/p>\n Question 24:\u00a0<\/b>A stereophonic system requires<\/p>\n a)\u00a0two separate microphones<\/p>\n b)\u00a0two separate amplifiers<\/p>\n c)\u00a0two separate speakers<\/p>\n d)\u00a0all of the above<\/p>\n Question 25:\u00a0<\/b>For stabilizing the gain of an amplifier<\/p>\n a)\u00a0positive feedback is used<\/p>\n b)\u00a0no feedback is used<\/p>\n c)\u00a0negative feedback is used<\/p>\n d)\u00a0input voltage is varies<\/p>\n