Select the correct code :
Anonymous Quiz
13%
A. 1, 2 Only
23%
B. 2 and 3 Only
44%
C. 1 and 3 Only
20%
D. All of the above
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Q.1. Consider the following statements regarding features of Geostationary orbit :
1. Angular velocity of the satellite is equal to angular velocity of earth
2. Period of rotation is equal to period of revolution of earth
3. A subset of geosynchronous orbit
4. There is only one geostationary orbit.
5. Nearly at an altitude of 36000 Km from the center of earth.
1. Angular velocity of the satellite is equal to angular velocity of earth
2. Period of rotation is equal to period of revolution of earth
3. A subset of geosynchronous orbit
4. There is only one geostationary orbit.
5. Nearly at an altitude of 36000 Km from the center of earth.
How many of the above statements is/are correct :
Anonymous Quiz
10%
A. Only
46%
B. Only 3
27%
C. Only 4
16%
D. All 5
Q.2. Consider the following statements regarding Nano fertilizer :
1. These made with nanoparticles or uses nanotechnology to improve nutrient efficiency.
2. A reduction in particle size of a fertilizer results in decreased surface/volume ratio per unit weight.
3. They are more pocket-friendly than its conventional counterpart
1. These made with nanoparticles or uses nanotechnology to improve nutrient efficiency.
2. A reduction in particle size of a fertilizer results in decreased surface/volume ratio per unit weight.
3. They are more pocket-friendly than its conventional counterpart
How many of the above statements are correct ?
Anonymous Quiz
12%
A. Only one
50%
B. Only two
35%
C. All three
3%
D. None
Q.3. Consider the following statements regarding impact of microgravity :
1. It is a condition where gravity seems to be very small.
2. Astronauts can float in their spacecraft - or outside, on a spacewalk.
3. Developing foetus is likely to sit high up in the mother’s womb in microgravity
1. It is a condition where gravity seems to be very small.
2. Astronauts can float in their spacecraft - or outside, on a spacewalk.
3. Developing foetus is likely to sit high up in the mother’s womb in microgravity
How many of the above statements are correct ?
Anonymous Quiz
10%
A. Only one
48%
B. Only two
39%
C. All three
2%
D. None
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Q.1. Recently, India has landed its Chandrayaan-3 spacecraft on the moon.Consider the following statement in this context :
1. India became first country in the world to make a soft landing near the Moon's South Pole.
2. India became the second country to land a spacecraft on the moon in the 21st century after China
3. India also became third country to make a soft landing on the Moon
1. India became first country in the world to make a soft landing near the Moon's South Pole.
2. India became the second country to land a spacecraft on the moon in the 21st century after China
3. India also became third country to make a soft landing on the Moon
Select the correct answer using codes given below :
Anonymous Quiz
20%
A. 1 only
29%
B. 1 and 2 only
29%
C. 1 and 3 only
22%
D. All of the above
Q.2. Consider the following statements regarding solid rocket fuel :
1. In Solid rocket motors both the fuel and oxidizer are in solid state.
2. It can provide huge amounts of thrust, and therefore it is often used as a booster.
3. It can never be switched off by command.
1. In Solid rocket motors both the fuel and oxidizer are in solid state.
2. It can provide huge amounts of thrust, and therefore it is often used as a booster.
3. It can never be switched off by command.
Select the correct answer using codes given below :
Anonymous Quiz
26%
A. 1 only
35%
B. 2 and 3 only
14%
C. 1 and 3 only
25%
D. All of the above
Q.3. Which of the following is/are correct regarding applications of ‘Carbon dots’ seen in news recently :
1. They can be used as a fluorescent nanoprobe for pollutant detection.
2. They are useful for water treatment as they are promising nano-fillers.
3. They can be produced from water hyacinth waste.
1. They can be used as a fluorescent nanoprobe for pollutant detection.
2. They are useful for water treatment as they are promising nano-fillers.
3. They can be produced from water hyacinth waste.
Select the correct answer using codes given below :
Anonymous Quiz
18%
A. 1 and 2 only
20%
B. 2 and 3 only
19%
C. 1 and 3 only
43%
D. All of the above