Which among the following is measured using a Vernier Caliper?

Consider the following statements:
1: It takes approximately 11 seconds for the light to reach the earth from moon
2: It takes approximately 8 minutes for the light to reach from the sun.
3: It takes 4.22 years for the light to reach from the nearest star Alpha Centauri
Which among the above statements is/ are correct ?

One joule of work is said to be done when__:

Consider the following:
1. Mica
2. Graphite
3. Sulphur
4. Human body
Which among the above is / are electrical conductors?

Consider the following statements:
1. Infra-red radiations produce heating effect, but not the visible radiation.
2. Infra-red radiations do not get scattered as easily as compared to visible light
Which among the above statements is / are correct?

Which among the following comparisons of geostationary orbit and geosynchronous orbit is / are correct?
1: Geostationary orbit must be circular, Geosynchronous may not be circular
2: Geostationary orbit must be directly above equator, Geosynchronous orbit is not above equator
3: There is only one Geostationary orbit , while there can be many Geosynchronous orbits
Select the correct option from the codes given below:

Among Alpha, Beta and Gamma radiations:
1. The Alpha Particles have highest ionising power but least penetrating power
2. The Gamma radiations have highest penetration power but lowest ionising power
Which among the above is / are correct statements?

Which among the following cease to exist (or become zero) at Absolute zero temperature on Kelvin scale?
1. Oscillation of the atoms and molecules
2. Entropy
3. Electrical resistance
Choose the correct option from the codes given below:

An object is executing uniform circular motion. Which of the following quantities remain(s) constant during the object’s motion?

In which of the following conditions, a Balloon filled with a gas such as Hydrogen will tend to rise up?

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