D 0 A stationary observes sees a rocket 5 light-years away from a star. For a person in the rocket heading to the star at 0.90 C, the distance is What? light-years Question 16 A spacrcraft emits a light of wavelength - 556nm while passing by a planet with a velocity of 0.96 C and at an angle of 530. What is the wavelength in nm of the light received on the planet? Question 17 A telescope needs a magnification of 544. It has an eye piece of focal length -5cm and an objective lens of 198 cm. What additional objective lens touching the first objective lens is needed?
D 0 A stationary observes sees a rocket 5 light-years away from a star. For a person in the rocket heading to the star at 0.90 C, the distance is What? light-years Question 16 A spacrcraft emits a light of wavelength - 556nm while passing by a planet with a velocity of 0.96 C and at an angle of 530. What is the wavelength in nm of the light received on the planet? Question 17 A telescope needs a magnification of 544. It has an eye piece of focal length -5cm and an objective lens of 198 cm. What additional objective lens touching the first objective lens is needed?
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Transcribed Image Text:A stationary observes sees a rocket 5 light-years away from a star. For a person in the
rocket heading to the star at 0.90 C, the distance is What? light-years
Question 16
A spacrcraft emits a light of wavelength = 556nm while passing by a planet with a velocity
of 0.96 C and at an angle of 53°. What is the wavelength in nm of the light received on
the planet?
Question 17
A telescope needs a magnification of 544. It has an eye piece of focal length -5cm and an
objective lens of 198 cm. What additional objective lens touching the first objective lens
is needed?
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