« previous next »

Author Question: Light rays from a distant source __________________, assuming the light does not pass through any ... (Read 87 times)

erika

  • Hero Member
  • *****
  • Posts: 522
on: Jul 27, 2018
Light rays from a distant source __________________, assuming the light does not pass through any cloud-like nebulae.
 
  a. are perpendicular b. focus to an image
  c. focus to a point d. are parallel

Question 2

On the H-R diagram, cool and bright stars are located in the ________ corner.
 
  a. upper left b. upper right
  c. lower left d. lower right


juwms

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 27, 2018
Answer to Question 1

d
RATIONALE: Nothing is mentioned about passing through a lens or bouncing off a mirror.

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Curved Spacetime and the Path of Light Curved Spacetime and the Path of Light
The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Transduction of Light by Photoreceptors Transduction of Light by Photoreceptors
The basic structure of an antibody molecule. Two heavy chains are joined by two light chains. The ... The basic structure of an antibody molecule. Two heavy chains are joined by two light chains. The ...
Metastatic process: Tumor leaving primary site to travel to other distant organs to grow. Metastatic process: Tumor leaving primary site to travel to other distant organs to grow.
Photoreceptors and UV Light Photoreceptors and UV Light
Video: Generalized life cycles for plants and animals Animation

For a complete list of videos, visit our video library