Physics Quiz (1 Word Answer)
Q2: The working of the quartz crystal in the watch is based on which effect?
Q3: What is the unit of Radioactivity?
Q4: What is the wavelength of the visible spectrum?
Q5: One astronomical unit is the average distance between___?
Q6: Number of basic S.I. units are ___.
Q7: What is the name of the scientist who stated that matter can be converted into energy?
Q8: The size of the atomic nucleus is of the order of___?
Q9: A temperature at which both the Fahrenheit and the centigrade scales have the same value?
Q10: In the visible spectrum which colour has the shortest wavelength?
Q11: What is the unit of specific resistance?
Q12: What do we use as a moderator in a nuclear reactor?
Q13: The mirror used in motor vehicles near the driver's seat is a__?
Q14: The Electron microscope was invented by__?
Q15: The hydraulic brake used in automobiles is a direct application of__?
Q16: The filament of an electric bulb is made of which metal?
Q17: Camberts Law is related to__?
Q18: Which waves are used in sonography?
Q19: Which instrument is used to measure the power of an electric circuit ?
Q20: Splitting of Uranium nucleus releases_____ energy.
Q21: kilowatt hour is the unit of__?
Q22: A simple device that is used to either break or complete the electric circuit, is called _____?
Q23: Where the value of ‘g’ (acceleration due to gravity) on the earth is maximum?
Q23: Good conductors have many loosely bound __?
Q25: If the body is hollow, then its centre of gravity lies?
Answers:
1: Hertz
2: Piezoelectric Effect
3: Curie
4: 390-700 nanometres
5: Earth & Sun
6: Seven (7)
7: Einstein
8: 10⁻ⁱ⁴ m
9: -40°
10: Violet
11: Ohm-metre
12: Graphite
13: Convex Mirror
14: Robert Koch
15: Pascal's Law
16: Tungsten
17: Interference
18: Ultrasonic waves
19: Wattmeter
20: Nuclear
21: Energy
22: Switch
23: At poles
24: Electrons
25: outside the material
☛See also:
Class7 - Science - Ch 14 Electric Current and Its Effects (MCQs)
Class6 Science Quiz (2016)
Class 7 Science Quiz (2016)
Physical Constants
Ch 8 - How do Organisms Reproduce (Worksheet)
Scientific Instruments Quiz
Ch1 - Matter in Our Surroundings (MCQs-2)
It helps us a lot
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