Science Quiz 6

1. Light is affected by gravity. 
2. The universe is constantly expanding. 
3. Matter wraps its surrounding space-time. 

Which of the above is/are prediction/predictions of Albert Einstein’s General Theory of Relativity, often discussed in media?

1. PSLVs launch the satellite useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites. 
2. Satellites launched by PSLVs appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth. 
3. GSLV Mk III is a four-staged launch vehicle with the first and third stages using solid rocket motors; and the second and fourth stages using liquid rocket engines.

 Which of the statements given below is/are correct?

1. Other than the USA and Russia, India is the only country to have launched a similar observatory into space. 
2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.

1. Is also called the Mars Orbiter Mission 
2. Made India the second country to have a spacecraft orbit Mars after USA 
3. Made India the only country to be successful in making its spacecraft orbit the Mars in its very first attempt

1. Assessment of crop productivity 
2. Locating groundwater resources 
3. Mineral exploration 
4. Telecommunications 
5. Traffic studies

1. Cassini-Huygens: Orbiting the Venus and transmitting data to the Earth 
2. Messenger: Mapping and investigating 
3. Voyager 1 and 2: Exploring the outer solar system

1. Detection of microwaves in space 
2. Observation of redshift phenomenon in space 
3. Movement of asteroids in space 
4. Occurrence of supernova explosions in space