what is big bang theory?
What makes the star give out vast amount of energy?
what is pole star? why does it appears to be stationary? plzz give me the answer in short
what is the full form of WWF?
What's the difference between meteor, meteorite and meteoroid?
write a short note on Phase of Moon ?
Why does moon changes its shape every day
what is god particles . Please give in detail.
Stars have their own light or not or they absorbs sunlight?
11. A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to gravity on the surface of the earth, calculate the orbital speed of the satellite.
why do stars give out heat and light?
Differentiate between galaxies and constellations in points
Tell some differences between stars, planets and satellites ?
what is big bang theory?
What makes the star give out vast amount of energy?
what is pole star? why does it appears to be stationary? plzz give me the answer in short
what is the full form of WWF?
What's the difference between meteor, meteorite and meteoroid?
write a short note on Phase of Moon ?
Why does moon changes its shape every day
what is god particles . Please give in detail.
Stars have their own light or not or they absorbs sunlight?
11. A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to gravity on the surface of the earth, calculate the orbital speed of the satellite.
12. An object is placed at a distance of 40 cm from a convex spherical mirror of radius of curvature 20 cm. At what distance from the object should a plane mirror be placed so that the image in the spherical mirror and plane mirror may be in one plane?13. What is displacement reaction? Explain with example. Also write down the reactivity series of the metals.why do stars give out heat and light?
Differentiate between galaxies and constellations in points
Tell some differences between stars, planets and satellites ?