Who invented the Hot Air Balloon?

Related Mcqs:

1. Quantity of fresh air required for a man is 1000 cubic feet of air for every____________?

   A. 5 minutes
   B. 10 minutes
   C. 15 minutes
   D. 20 minutes

   Submitted by: WIQAR AHMAD

2. During which process of energy exchange does cold air displace warmer air?

   A. Convection 
   B.  Radiation
   C.  Conduction
   D.  None of these

   Submitted by: Rida

3. Brass gets discoloured in air because of the presence of which of the following gases in air ________ ?

   A. Carbon dioxide
   B. Oxygen
   C. Nitrogen
   D. Hydrogen sulphide

   Submitted by: Rashid Mehmood

4. Volcanoes can also be caused by _____ so called ‘hot spots’.

   A. Ash
   B. Gases
   C. Mantle Plumes
   D. None of these

   Submitted by: Aamir Balouch

5. who invented bulb?

   A. Philips
   B. Robert
   C. Edison
   D. Willium

   Submitted by: Aftab Ali

6. Who invented “Aspirin” in 1897?

   A. Barnard
   B. Newton
   C. Felix Hoffmann
   D. McLeod

   Submitted by: Asad Ullah Afridi

7. What inspired reflecting road lights to be invented?

   A. Car door reflecting mirrors
   B. The light a cat’s eyes gave off on a fence
   C. Sun light on steel posts on road sides
   D. The sun light on the windshield

   Submitted by: Rashid Mehmood

8. Mass spectrograph was Invented by?

   A. Rutherford
   B. Chadwik
   C. F.W.Aston
   D. None of these

   Submitted by: Muhammad Mumtaz Haider

9. Who invented bifocal eyeglasses?

   A. Ibn-e-Haitem
   B. Benjamin Franklin
   C. Archemedes
   D. None

   Submitted by: Asifa Tariq

10. Electric motor was invented by __________ ?

    A. Michael Faraday
    B. Oliver Evans
    C. Thomas Edison
    D. Horace Day

    Submitted by: Rashid Mehmood