Unit of surface tension in cgs system is?

Related Mcqs:

1. Atmospheric pressure is the force (per unit-area) perpendicular to a unit-area of planetary surface, as determined by _________.

   A. Mass of vertical column of atmospheric gases
   B. Mass of horizontal column of atmospheric gases
   C. Weight of vertical column of atmospheric gases
   D. Mass of vertical and weight of horizontal of atmospheric gases

   Submitted by: Muhammad Abdullah

2. 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

3. The unit of torque in International system of unit is _________?

   A. Newton
   B. Newton-Meter
   C. Kilogram
   D. Meter

   Submitted by: Rashid Mehmood

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

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

5. The large dark patches on the Moon’s surface are known as___________?

   A. Dark matter
   B. Maria, or seas, even though there is no water on the Moon
   C. Maria, or seas, because they are filled with water
   D. Moon spots

   Submitted by: Mansoor Ul Haque

6. When a warm air is lifted off the surface in temperature depression it is called ________?

   A. An occlusion
   B. A cold front
   C. An anticyclone
   D. A warm front

   Submitted by: Mansoor Ul Haque

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

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

   Submitted by: Syed Nizakat Ali Shah

8. The moon’s surface is constantly bombarded by?

   A. Comets
   B. UV light
   C. Meteoroids
   D. All of the above

   Submitted by: Muhammad Abdullah

9. The moon’s surface temperature varies from about ________ to _________ ?

   A. – 173 degrees Celsius at night to 127 degrees Celsius during the day
   B. – 172 degrees Celsius at night to 172 degrees Celsius during the day
   C. Remains constant during day and night
   D. – 170 degrees Celsius at night to 107 degrees Celsius during the day

   Submitted by: Muhammad Abdullah

10. _________ is the layer wherein most meteors are incinerated before reaching the surface.

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

    Submitted by: Muhammad Abdullah