Jamb MathematicsUpdated on November 22, 2020 by Isaac Welcome to Flashlearners Physics Quiz... Read Each Question Carefully And Choose The Best Answer From The Options. You May Click Here for Free Video Tutorials To Boost Your Score Or Simply Click Here To Access Thousands of Physics Questions Offline. Next To Begin... 1The energy of a photon having a wavelength of 10-10m is 1.7 x 10-12J 2.0 x 10-15J 1.7 x 10-13J 2.0 x 10-12J 2The pair if physical quantities that are scalar only are Impulse and time Volume and area Moment and momentum Length and displacement 3Calculate the work done, when a force of 20N stretches a spring by 50mm. 2.5 J 0.5 J 1.5 J 2.0 J 4If a current of 2.5A flows through an electrolyte for 3 hours and 1.8g of a substance is deposited, what is the mass of the substance that will be deposited if a current of 4A flows through it for 4.8 hours? 4.8g 2.4g 3.2g 4.2g 5A man 1.5m tall is standing 3m in front of a pinhole camera whose distance between the hole and the screen is 0.1m. What is the height of the image of the man on the screen? 1.00m 0.05m 0.15m 0.30m 6The rise or fall of a liquid in a narrow tube is because of the osmotic pressure of the liquid viscosity of the liquid surface tension of the liquid friction between the walls of the tube and the liquid 7If a sonometer has a fundamental frequency of 450Hz, what is the frequency of the fifth overtone? 75Hz 2700Hz 456Hz 444Hz 8Calculate the apparent weight loss of a man... Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards with an acceleration of 1.5ms-2. 105N 686N 595N 581N 9At what depth below the sea-level would one experience a change of pressure equal to one atmosphere? 100.0 m 0.1 m 1.0 m 10.0 m 10In photo-emission, the number of photoelectrons ejected per second depends on the Intensity of the beam Frequency of the beam Work function of the metal Threshold frequency of the metal 11A wave that travels through stretched strings is known as seismic wave electromagnetic wave micro wave mechanical wave 12Steam from boiling water cause more damage on the skin does boiling water because Steam brings heat more easily by convection. Water has a high specific heat Steam has latent heat of fusion The steam is at a higher temperature than the water 13The particle nature of light is demonstrated by the diffraction of light photoelectric effect speed of light colours of light 14Calculate the power of the pumping Machine... If a pump is capable of lifting 5000 kg of water through a vertical height of 60 m in 15 min, the power of the pump is 3.3 x 102 Js-1 2.5 x 105 Js-1 2.5 x 104 Js-1 3.3 x 103 Js-1 15Calculate the force acting on an electron of charge 1.5 x 10-19C placed in an electric field of intensity 105 Vm-1 1.5 x 10-14N 1.5 x 10-11N 1.5 x 10-12N 1.5 x 10-13N Time is Up! Time's up
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