(A) Zambia
(B) Nepal
(C) Zimbabwae
(D) Turkey
Sound travel at maximum speed in?
(A) Vacume
(B) Air
(C) Water
(D) Steel
The loudness of a sound wave is determind by its?
(A) Amplitude
(B) Frequency
(C) Wavelength
(D) Speed
Aristotal was?
(A) Greek ethical thinker
(B) Greek mataphysical and political thinker
(C) Greek philospher
(D) All are correct
Japan has launched the lunar explorer “moon sniper” in an effort to become the __ nation in history to set foot on the moon.
(A) 3rd
(B) 4th
(C) 5th
(D) 6th
Mushtaq Yousfi is famous for?
(A) Comedy
(B) Drama Writing
(C) Poetry
(D) None of these
The pitch (or shrillness) of a sound to determind by its?
(A) Speed
(B) Amplitude
(C) Frequancy
(D) Loudness
Food is cooked faster in a pressure cooker because?
(A) Heat can not escape from the cooker
(B) Steam is hotter then the boiling water
(C) Due to high pressure the boiling water is raised
(D) In the cooker water starts boiling at a lower temprature