Showing posts with label PHYSICS QUESTIONS. Show all posts
Showing posts with label PHYSICS QUESTIONS. Show all posts

Sunday, October 30, 2016

General Science Quiz

1.Which of the following has the highest ionizing power?
Diamond Graphite Butane Fullerene

2.Which of the following is not an application of concave mirror?
Solar Cooker Shaving mirror Dentists Rear View mirror

3.If power of a lens is -0.5 dioptre focal length and type of lens is
2 m, concave 2 m, convex 50 cm, concave 50 cm, covex

4.Why the wings of an aeroplane are shaped with lower surface being flat and the upper surface being curved
To reduce vibration To make difference in pressure to life the plane vertically To accommodate more passengers in the wing To strengthen the wheels fitted in wings

5.In Ocean Thermal Energy Conversion Plants the vapour of which gas is used to run the tubine
Water Ethanol Ammonia Benzene

6.An electric cell is a device
which converts electric energy into chemical energy which converts tidal energy into electric energy which converts chemical energy into electric energy which converts electric energy into tidal enegy

Sunday, October 23, 2016

PHYSICS QUESTIONS

1.Mr.X wants to establish a broadbad wirless net connection for his employers spread over a radius of 30 kms. The wireless standard be needs to impact to them is
Bluetooth connectivity Wimax connectivity Infra-red connectivity Wifi connectivity

2.Which of the following statement is not correct about Neutron?
Neutrons are particles with no charge Mass of Neutrons is higher than proton Neutron is also regareded as sub-atomic particles Neturon is absent in hydrogen atom

3.Which of the following has the highest ionizing power?
X – rays Alpha rays Beta rays Gamma rays

4.Which are the common methods involved in the desalination of ocean water?
Solvent extraction and crystallization Sublimation and distillation Evaporation and recondensation Fractional distillation and steam distillation

5.Choose the in correct statement about the properties of anode rays
It consists of material particles It travels in straight line It is Deflected by electric field None of these

Tuesday, October 18, 2016

Physics- Basic General Knowledge questions and answers

1.Rain drop starts to fall down when the velocity of the drop is
equal to terminal velocity greater than terminal velocity less than terminal velocity greater than critical velocity

2.Which of the following is acts to reduce the temperature of the spring in MRI scanning?
Liquid Nitrogen Liquid Hydrogen Liquid Sodium Liquid Helium

3.Liquid helium can reduce the temperature of the coil in MRI equipment to around
40 K 4 K 273 K 0 degree C

4.In 1905, Albert Einstein discovered
Photoelectric effect and Brownian motion 
Brownian motion and special theory of relativity 
Special theory of relativity and photoelectric effect 
Photoelectirc effect, special theory relativity and Brownian motion

5.Sound waves from a sounding car are
transverse waves longitudinal waves ultrasonic waves stationary waves

Monday, September 26, 2016

Physics- Basic General Knowledge questions and answers

1. When the object is placed very close to the concave mirror, the image formed is
Small, inverted virtual image Enlarged, inverted virtual image Enlarged, erected virtual image Small erected virtual image

2.Which of the following is not a fundamental quality
Time Length Mass Area

3.The Audible Range of bazt is (Hertz)
20-20,000 900-2,00,000 100-32,000 1000-1,50,000

4.The Principle of fuse wire is
Oersted Experiment Amphere’s Law Ohm’s Law Jule Thermal Law

5.The method used to separate two substances based on the difference in the force of attraction between two substances
Chromatography Filtration Sublimation Distillation

Monday, September 19, 2016

PHYSICS QUESTIONS

1.One acre, and 1 hectare’s respectively are
4047 m2, 2.47 acre 4047 m, 2.47 acre 4047 cm, 2.47 acre 4047 km, 2.47 acre

2.Who invented Advanced Microscope
Robert Hooke Robert Brown John Ray Ernst

3. Identify the correctly matched
Melting of Ice – Irreversible Change Batter into Idly – Irreversible Change Ripening of Fruits – Irreversible Change 2 and 3

4.Under the force of gravity the mechanical energy of a body is
Zero Increase Constant Decrease

5.A Device which is used for measuring mass
Tape Beam Balance Sundial Scale