Question Detail
Sudden fall in barometer is indication of
- Storm
- Rain
- Tide
- Clear weather
Answer: Option A
1. K. Macmillan invented
- Bicycle
- Barometer
- Calculating Machine
- Centigrade Scale
Answer: Option A
Explanation:
K. Macmillan of Scotland invented Bicycle in 1839.
Barometer was invented by E. Torricelli of Italy in 1644.
Calculating Machine was invented by Pascal of France in 1642.
Centigrade Scale was invented by A. Celsius of France in 1742.
2. 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
3. What is newton third law of motion ?
- Every body maintains its initial state rest or motion unless no external force is applied.
- The rate of change in momentum of a body is directly proportional to the applied force on the body and takes place in the direction of force.
- To every action there is equal and opposite reaction.
- None of above.
Answer: Option C
Explanation:
Newton First Law of Motion : Every body maintains its initial state rest or motion unless no external force is applied.
Newton Second Law of Motion : The rate of change in momentum of a body is directly proportional to the applied force on the body and takes place in the direction of force.
4. What is unit of Work and Energy ?
- Joule
- kilogram
- amphere
- meter
Answer: Option A
5. What is the range of mercury thermometer ?
- 0 degree Celsius to 350 degree Celsius
- -10 degree Celsius to 350 degree Celsius
- -20 degree Celsius to 350 degree Celsius
- -30 degree Celsius to 350 degree Celsius
Answer: Option D