Question Detail

Who discovered Atom ?

Madam Curie
James Chadwick
Rutherford
John Dalton

Answer: Option D

Explanation:

John Dalton discovered Atom in 1808,

Madam Curie discovered Radium in 1898,

James Chadwick discovered Neutron in 1932,

Rutherford discovered Proton in 1919.

1. Which instrument is used to measure altitudes in aircraft's ?

Audiometer
Ammeter
Altimeter
Anemometer

Answer: Option C

Explanation:

Ammeter - Measures strength of electric current.

Audiometer - Measures intensity of sound.

Anemometer - Measures force and velocity of wind and directions.

2. Sudden fall in barometer is indication of

Storm
Rain
Tide
Clear weather

Answer: Option A

3. Which of the following is an electromagnetic wave ?

Cathode rays
Sound wave
Ultrasonic wave
Infra red rays

Answer: Option D

4. If lift is going up with acceleration, the apparent weight of a body is

may be more or less than true weight
equal to the true weight
less than the true weight
more than the true weight

Answer: Option D

5. Which is true

In a static liquid at same horizontal level, pressure is more at centre
In a static liquid at same horizontal level, pressure is less at centre.
In a static liquid at same horizontal level, pressure is same at all points
In a static liquid at same horizontal level, pressure is different at all points

Answer: Option C