1. Name of the instrument to measure atomspheric pressure ?
Barometer
Barograph
Bolometer
Callipers
Answer: Option A
Explanation:
Barograph - Recordings of atmospheric pressure,
Bolometer - Used to measure heat radiation,
Callipers - Used to measure inner and outer diameters of bodies.
2. Atom is the smallest part of matter which takes part in chemical reactions.
True
False
Answer: Option A
3. newton is used to measure
Speed
Volume
Force
Area
Answer: Option C
4. The absorption of ink by blotting paper involves
capillary action phenomenon
viscosity of ink
siphon action
diffusion of ink through the blotting
Answer: Option A
5. Orbital speed of a satellite is dependent of its mass.
True
False
Answer: Option B
Explanation:
Orbital speed of a satellite is independent of its mass.