Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?

Related Mcqs:

1. The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________?

   A. Conduction of heat upward from a hot surface
   B. Convection from a hot surface
   C. Absorption of infrared energy that has been radiated from the surface
   D. Heat energy from the earth’s interior

   Submitted by: Mansoor Ul Haque

2. If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?

   A. Annealing
   B. Quenching
   C. Tempering
   D. Nitriding

   Submitted by: Muhammad Ali Kunbhar

3. What happens to a person who receives the wrong type of blood?

   A. All the arteries constrict
   B. All the arteries dialates
   C. The RBCs agglutinate
   D. The spleen and lymphnodes deteriorate

   Submitted by: Malik Asghar Hussain

4. A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls _________?

   A. behind him
   B. in front of him
   C. into his hand
   D. by his side

   Submitted by: Malik Asghar Hussain

5. A bird sitting on a high tension electric wire does not get electrocuted because:

   A. Sit has high resistance
   B. the body is earthed
   C. it does not form a closed path for the flow of current
   D. its feet are good insulators

   Submitted by: Abid Hussain

6. An active asteroid is discovered near ________ Orbit for the first time in billion years.

   A. Saturn
   B. Mars
   C. Neptune
   D. Jupiter

   Submitted by: Rashid Mehmood

7. Crude Oil is heated in the furnace up to _________?

   A. 300°C
   B. 350°C
   C. 400°C
   D. 450°C

   Submitted by: Warraich

8. The snow on the mountains does NOT melt all at once when it is heated by the sun because:

   A. it becomes very hard
   B. it reflects most of the heat from the sun
   C. it has a low specific heat capacity
   D. it has a high latent heat of fusion

   Submitted by: Abid Hussain

9. For seeing objects at the surface of water from a submarine under water, the instrument used is ________?

   A. Periscope
   B. Telescope
   C. Kaleidoscope
   D. Spectroscope

   Submitted by: Rashid Mehmood

10. _________ is the atmospheric layer that absorbs most of the ultraviolet radiation that Earth receives from the Sun.

    A. Troposphere
    B. Stratosphere 
    C. Mesosphere
    D. Ionosphere

    Submitted by: Muhammad Abdullah