Sunday, 7 October 2018

CBSE Class 12 - 9 - How Good Your are in Physics? - Simple Physics Quiz (1 Word Answers)(#cbsenotes)(#eduvictors)(#physicsquiz)

Physics Quiz (1 Word Answer)

CBSE Class 12 - 9 - How Good Your are in Physics? - Simple Physics Quiz (1 Word Answers)(#cbsenotes)(#eduvictors)(#physicsquiz)

Q1: Who firstly demonstrated experimentally the existence of electromagnetic wave?

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)