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

Related Mcqs:

1. Being Myopic means you have problem in seeing ______________?

   A. Distant objects clearly
   B. Close objects clearly
   C. Both A and B
   D. Distant and close objects look unclear

   Submitted by: Aamir Zulfiqar

2. Underground water and the water on the earth’s surface is called ?

   A. Mezosphere
   B. Ionosphere
   C. Hydrosphere
   D. None of these

   Submitted by: Haziq

3. Instrument that measure the electric force ________?

   A. Hygrometer
   B. Hydrometer
   C. Ammeter
   D. Voltmeter

   Submitted by: Rashid Mehmood

4. ________ is an instrument used in determining the directions of movement of clouds.

   A. Nephoscope
   B. Stethoscope
   C. Metroscope
   D. None of the above

   Submitted by: Naveed Tahir

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

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

6. Water covers __________ of the Earth’s surface?

   A. 61%
   B. 67%
   C. 71%
   D. 76%

7. An iceberg is floating in sea. How much of its mass will remain above the surface of water?

   A. One tenth
   B. One fifth
   C. One fourth
   D. One third

8. What is the percentage of salt water on earth surface?

   A. 93%
   B. 95%
   C. 97% 
   D. 76%

   Submitted by: Syed Nizakat Ali Shah

9. Why the needle of iron swims on water surface when it is kept gently ?

   A. It will remain under the water, when it will displace more water than its weight
   B. the density of needle is less than that of water
   C. due to surface tension
   D. due to its shape

   Submitted by: Abid Hussain

10. Some objects from the Kuiper belt are classified as “plutoids” and include?

    A. Pluto, Cris, and Yeres
    B. Pluto, Bris, and Teres
    C. Pluto, Eris, and Ceres
    D. Yeres, Teres, Ceres

    Submitted by: Muhammad Abdullah