General Science Quiz Test 6 March 9, 2020 5 Share Facebook Pinterest WhatsApp Linkedin Email Start your test Q1. The number of oscillations per second is called the hertz wavelength pitch frequency Q2. Sound waves from a loudspeaker are caused by frequency vibrations pitch amplitude Q3. The guitar has __________ strings. 4 5 6 7 Q4. The device used to measure movements of the heart is Cardiograph Seismograph Hydrometer Hygrometer Q5. The unit used to measure Pressure is pascal newton watt tesla Q6. There are __________ methods of heat transfer. 3 4 5 6 Q7. Which from the following is NOT a method of heat transfer? Conduction Convection Radiation All are methods of heat transfer Q8. If we heat one end of metallic rod, the other end gets hot. The method of heat transfer is Conduction Convection Radiation None of these Q9. A person seated in front of a fire receives heat by Conduction Convection Radiation None of these Q10. The unit used to measure magnetic flux is Pascal Farad Weber Henry Q11. Battery was invented by Volta Hero Fermi Maiman Q12. The most abundant element in the earth‘s crust is oxygen. The second most abundant element in the earth‘s crust is Hydrogen Nitrogen Brass Silicon Q13. The nearest planet to the Sun is Mercury Venus Mars Jupiter Q14. Bronze is an alloy of Iron, Carbon Copper, Tin Nickel, Zinc Mercury, Lead Q15. Molecules with identical molecular formulae but with different structural formulae are called Isotopes Isomers Electrode Compound Q16. One way of transfer of heat energy is convection which occurs in Liquids only Gasses only Liquids and gasses Liquids, gasses and solids Q17.  Which from the following is incompressible Solids Liquids Gasses All are compressible Q18. The key factor in determining the weather is the quantity of ________ in the atmosphere. Water vapour Oxygen Carbondioxide Hydrogen Q19. The entropy of the universe is Increasing Decreasing Constant None of these Q20. Which from the following methods of heat transfer can take place in a vaccum? Canduction Convection Radiation All of the above Q21. Neutrons were discovered by F.W. Aston Rutherford Einstein James Chadwick Q22. Mass Spectrograph was invented by Einstein James Chadwick F.W. Aston Rutherford Q23. Nucleus was discovered by Einstein James Chadwick F.W. Aston Rutherford Q24. Which is the process of science? Observation > Experiments > Hypothesis Hypothesis > Observations > Experiments Observation > Hypothesis > Experiments Experiments > Observations > Hypothesis Q25. Salty water can be made pure by the method of filtration evaporation chromatography distillation Time is Up! Time's up Rate This Post![Total: 0 Average: 0]
