What does planck's theory state?
a. light has only wave properties
b. light has a dual nature. it has properties of both waves and particles
c. energy radiated by a body is in the form of packets called quanta
d. the energy of an emitted photon depends on the speed of light

Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?