21 The branch of Physics which deals with properties of gravitational? Physics Medium Full question → A Field theory B Acoustics C Hydro dynamic D Optics
22 The__________branch of Physics deals with nuclear particles such as neutrons, protons and nuclear? Physics Medium Full question → A Solid State Physics B Plasma Physics C structure is called D Nuclear Physics
23 The Branch of Physics deals with highly energetic ions is called__________? Physics Medium Full question → A Elementary articles B Article physics C Ionic physics D Plasma physics
24 The most fundamental of all sciences which provides basic principles and fundamental laws to other branches of science is_________? Physics Medium Full question → A biology B physics C information technology D chemistry
25 Which branch of science plays an important role in engineering? Physics Medium Full question → A Biology B Chemistry C Physics D All of these
26 Physics is one of the branches of___________? Physics Medium Full question → A Physical sciences B Biological sciences C Social science D Life sciences branch
27 The branch of science which deals with the properties of matter and energy is called__________? Physics Medium Full question → A Biology B Geography C Physics D Chemistry
28 Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet? Physics Medium Full question → A 2.5 B 2 C 1.75 D 1.5
29 It is possible to distinguish between transverse and longitudinal waves form the property of __________________? Physics Medium Full question → A refraction B polarization C interference D diffraction
30 If stretching force T of wire increases, then its frequency __________________? Physics Medium Full question → A decreases B increases C remains the same D any of above
31 When two identical traveling waves are superimposed, the velocity of the resultant wave__________________? Physics Medium Full question → A decreases B increases C remains unchanged D becomes zero
32 The waves that require a material medium for their propagation are called__________________? Physics Medium Full question → A matter waves B electromagnetic waves C carrier waves D mechanical waves
33 Which phenomena can be applied to estimate the velocity of star with respect to earth ___________________? Physics Medium Full question → A Dopplers effect B Interference of waves C Beats phenomena D All of these
34 The speed of stationary waves in a stretched string are independent of___________________? Physics Medium Full question → A Number of loops B Tension in the string C Point where string is plucked D both A and C
35 The speed of sound in hydrogen is _____________ time than that in oxygen? Physics Medium Full question → A Two times B Three times C Four time D Six time
36 Newton estimated the speed of sound _____________________? Physics Medium Full question → A 281m/sec B 333m/sec C 340m/sec D all of the above
37 Which one is the correct relation for fundamental frequency of open and closed pipe ? Physics Medium Full question → A fopen = 2 fclosed B fclosed = 2fopen C fopen = fclosed D fopen = 1 / f closed
38 When the source of sound moves away form a stationary listener then ______________ occurs? Physics Medium Full question → A an apparent increase in frequency B an apparent decrease in frequency C an apparent decrease in wavelength D no apparent change in frequency
39 Silence zone takes place due to____________________? Physics Medium Full question → A constructive interference B destructive interference C beats D resonance
40 The number of beats produced per second is equal to____________________? Physics Medium Full question → A the sum of the frequencies of two tuning forks B the difference of the frequencies of two tuning forks C the ratio of the frequencies of two tuning forks D the frequency of either of the two tuning forks