Sorry I was wrong.
g) Solar eclipse occurs in full moon(F)
The correct answer is

g) Solar eclipse occurs in New moon(T)

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@Last Island ,the correct answers of 5 & 3 are.

Gas in children’s play-balloons going upward is _Helium

Visible light energy has the wavelength range of 400 to 700 nm

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Paper 1993

12. Name the instruments used for measuring each of the following
(i) Pressure
(ii) Voltage
(iii) Purity of milk
(iv) Temperature
(v) Velocity of wind

15. Fill in the blanks
(i) Starch is a polymer of __________.
(ii) A big astronomical observatory known as the _________________________ was established during the reign of Caliph Mamoon.
(iii) Adrenalin is secreted by the Adrenal _______________.
(iv) ________ planet is nearest to the earth.
(v) CFC is the abbreviation of _____________________.
(vi) The process of conversion of a material from solid state directly to gaseous state is called ____________.
(vii) A junction diode is formed by PWP semiconductor pieces whereas junction transistor is a sandwich made up of PNP transistor.


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