1. The ability to separate object or details into distinct features is ____. A)
ID: 112942 • Letter: 1
Question
1. The ability to separate object or details into distinct features is ____.
A) Magnification
B) Spectroscopy
C) Light gathering power
D) Resolving power
2. Space telescopes of various wavelength capabilities are put into orbit to do all of the following except ____.
A) Avoid light pollution
B) Avoid the blurring effects of the atmosphere
C) Measure wavelengths, which do not penetrate the Earth’s atmosphere
D) Get closer to their objects of study.
3. Atoms emit light at the moment when ____.
A) Electrons jump down to a lower energy level
B) Electrons jump to a higher energy level
C) Light is absorbed from an external source
D) They spin
4. A star's spectrum of hydrogen is observed from the Earth with wavelengths all shifted to longer wavelengths. The star is ______.
A) Increasing its temperature
B) Decreasing its temperature
C) Moving toward the Earth
D) Moving away from Earth
5. All of the following wave properties distinguish the parts of the electromagnetic spectrum from each other except ___
A) Wavelength
B) Speed
C) Energy
D) Frequency
Explanation / Answer
Answer:1
Magnification, this feature enable us to study different smale scale features of object.
Answer:2
Option C, it is not able to measure the wavelength.
Answer:3
Option B, due to difference in energy level atom gets spark.
Answer:4
Option D, if wavelength increases then distance also increases between earth amd star and vice versa.
Answer:5
Option B, speed cannot be distinguish on electromagnetic spectrum.
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