A gas at a constant temperature in a 75ml container has a pressure of 1.5 atm. find the new pressure if the container volume is reduced to 50ml
2.25 atm
2 of 9
Find the distance to a galaxy that has a recession velocity of 475km/s?
2.375 x 10 to the power of 20 km
3 of 9
The power of a lens with a focal length of 0.45m
2.2 D
4 of 9
An astronomer uses a refracting telescope to look at a distant star. if Fo = 4.6 and Fe = 0.4 find the angular magnification
11.5
5 of 9
Gregg makes a telescope which has a 0.2 D objective lens and an 11 D eye lens. what is the magnification?
P = 1/ focal length so F = 1/p F = 1/ 11 = 0.09m F = 1/0.2 = 5m so magnification = 55.5
6 of 9
Mr Notsohappy measures the parallax of a star to be 0.6''. how far away is the star in parsecs
1.6 pc
7 of 9
A container has a volume of 45 liters. it is filled with a gas at a gas at a pressure of 1 bars and a temperature of 290k. Find the new pressure if the temperature is increased to 360k
1.2 bars
8 of 9
A gas at a constant pressure, with a temperature of 270 K has a volume of 24 liters find the new volume if the temperature is increased by 45k
28 liters
9 of 9
Other cards in this set
Card 2
Front
A gas at a constant temperature in a 75ml container has a pressure of 1.5 atm. find the new pressure if the container volume is reduced to 50ml
Back
2.25 atm
Card 3
Front
Find the distance to a galaxy that has a recession velocity of 475km/s?
Back
Card 4
Front
The power of a lens with a focal length of 0.45m
Back
Card 5
Front
An astronomer uses a refracting telescope to look at a distant star. if Fo = 4.6 and Fe = 0.4 find the angular magnification
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