Isotopes of an element contain
the same number of protons but different number of neutrons
the same number of neutrons but different number of protons
equal number of protons and electrons
equal number of nucleons
Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?
Scattering
Diffraction
Interference
Polarization
Mach number is used in connection with the speed of
sound
aircraft
spacecraft
ships
What is the name of the layer of earth’s atmosphere that absorbs the majority of the potentially damaging ultraviolet light from the sun?
Ultravoilet Layer
Infrared Layer
GreenHouse Layer
Ozone Layer
What is the hottest planet in our Solar System?
Mercury
Venus
Earth
Mars
Firefox, Opera, Chrome, Safari and Explorer are types of what?
Games
Web Sites
Web Browsers
Search Engine
Which is hotter?
Center of the Earth
Surface of Sun
Surface of Moon
Surface of Earth
Which country gave the Statue of Liberty to the USA as a gift?
Italy
France
Russia
China
What type of eclipse do we have when Moon is between Sun and the Earth?
Solar Eclipse
Lunar Eclipse
Partial Eclipse
All of the above
What is the first element of Periodic Table?
Oxygen
Carbon
Helium
Hydrogen