One kilowatt hour
is the energy:
A) 10800000 joule
B) 8000000
C) 7200000
D) 3600000
Geo stationary satellites keep pace with the earth and complete one orbit in:
A) Two days
B) One day
C) Three days
D) Six days
Which living thing was sent by soviet Union is space on 3rd Nov, 1957:
A) Rat
B) Monkey
C) Duck
D) Dog
Explanation: Laika, a dog that was the first living creature to be launched into Earth orbit, on board the Soviet artificial satellite Sputnik 2, on November 3, 1957. It was always understood that Laika would not survive the mission, but her actual fate was misrepresented for decades.
Laika was a small (13 pounds [6 kg]), even-tempered, mixed-breed dog about two years of age.
The word “atom” is derived from Greek word:
A) Atamos
B) Atomos
C) Atoms
D) Atomes
Explanation: Atoms were impenetrably hard, meaning they could not be divided. In Greek, the prefix "a" means "not" and the word "tomos" means cut. Our word atom therefore comes from atomos, .The word is derived from the Greek word "atomos", meaning indivisible.
Solubility of a solute depends upon:
A) The quantity of solvent
B) The quantity of solute
C) The temperature of the solution
D) All of the above
There are 243 rows of apples trees in a farm. If each row has 21 apple trees, find the total trees in the farm.
A) 5093
B) 5013
C) 4093
D) None of these
Explanation: Number of rows: 243 Number of trees per row: 21
Total trees = Number of rows × Number of trees per row
= 243 × 21 = 5103
