Gas Pressure Quiz with Answers PDF Download – Test 25

MCQ 121: If the density of water is 1000 kg m^-3, atmospheric pressure is 1.01 × 10⁵ and gravitational field strength is 10 N kg^-1.What is the pressure acting on a scuba diver when he is at the surface?

1. 3.01 × 10⁵
2. 2.01 × 10⁵
3. 1.01 × 10⁵
4. 10.01 × 10⁵

MCQ 122: The gravity is denoted by:

1. G
2. g
3. A
4. a

MCQ 123: When a resultant force acts on a object of constant mass, the object will accelerate and move in the direction of the resultant force. This statement refers to:

1. Newton's second law of motion
2. Newton's third law of motion
3. Newton's first law of motion
4. Hooke's law

MCQ 124: The mass per unit volume is called the substance's:

1. weight
2. inertia
3. density
4. force

MCQ 125: If the refractive index of water is 1.33 and of air is 1, the value of critical angle for water at 90° refracted angle should be:

1. 45°
2. 48.8°
3. 51.6°
4. 59.8°