Rooms are heated using gas heater by:
a) Convection
b) Conduction
c) Radiation
d) Both A and C
نظم طلوع اسلام کے شاعر کون ہیں
(a امیر مینائی
(bنظیر اکبر آبادی
(c الطاف حسین حالی
(d علامہ اقبال
قیامت کے دن انسان اڑتے پھریں گے۔
(a مکھیوں کی طرح
(bروئی کی طرح
(c پتنگوں کی مانند
(d ذروں کی مانند
The forces of attraction or repulsion between charged bodies is:
a) Directly proportional to the distance between the bodies
b) Inversely proportional to the square of distance between them
c) Directly proportional to the square of the distance between the bodies
d) None of these
In which of the following the electrical energy is converted into mechanical energy?
a) Washing machine
b) Electrical kettle
c) Electric iron
d) None of these
Biomass is used in the production of….
a) fibres
b) chemicals
c) transportation fuels
d) biochemicals
