David Sang and Graham Jones Solutions for Chapter: Astronomy and Cosmology, Exercise 7: Questions

Author:David Sang & Graham Jones

David Sang Physics Solutions for Exercise - David Sang and Graham Jones Solutions for Chapter: Astronomy and Cosmology, Exercise 7: Questions

Attempt the free practice questions on Chapter 31: Astronomy and Cosmology, Exercise 7: Questions with hints and solutions to strengthen your understanding. Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access solutions are prepared by Experienced Embibe Experts.

Questions from David Sang and Graham Jones Solutions for Chapter: Astronomy and Cosmology, Exercise 7: Questions with Hints & Solutions

EASY
AS and A Level
IMPORTANT

The fractional change in the wavelength of the observed light from a galaxy is 0.15; its redshift is 15%.

Calculate its recession speed. State any assumptions made.

EASY
AS and A Level
IMPORTANT

The Tadpole galaxy has a recession speed of 9400 km s-1.

Calculate the fractional change in the wavelength of the observed spectrum.