What would remain unchanged if a sound travels from air to water ?
(A) intensity
(B) Frequency
(C) Both a and b
(D) Neither a nor b
No current will flow between two charged bodies if they have the same ________.
(A) Resistance
(B) Charge
(C) Potential
(D) charge/ potential ratio
Who invented dynamite?
(A) Alfred Noble
(B) Antoine Lavoisier
(C) Marie Curie
(D) Thomas Edison
What happens to the weight, when iron rusts?
(A) Weight increases
(B) Weight decreases
(C) Weight remains the same
(D) Weight first increases then decreases
Color of light is determined by its :
(A) dimension
(B) wavelength
(C) Intensity
(D) Velocity
Which element is used as timekeeper in the atomic clocks?
(A) Potassium
(B) Magnesium
(C) Cesium
(D) Vanadium
Which of the following is also called Marsh Gas?
(A) Propane
(B) Ethane
(C) Methane
(D) Butane
In which of the following fields Nobel Prize is not given?
(A) Physics
(B) Mathematics
(C) Chemistry
(D) Medicine
Literal meaning of the term " Home sapiens " is
(A) Man - The Wise
(B) Man - The supreme
(C) Man - the omnivore
(D) Man - the fool
Which one of the following animals can hear ultrasonic sound?
(A) Rat
(B) Squirrel
(C) Cat
(D) Bat
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