This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An optical SETI signal would most likely consist of A) using mirrors to reflect light from the ... (Read 60 times)

genevieve1028

  • Hero Member
  • *****
  • Posts: 601
on: Jul 27, 2018
An optical SETI signal would most likely consist of
 
  A) using mirrors to reflect light from the surface of a planet
  B) using a giant disk to block out the light from the parent star
  C) rapid, short bursts of intense laser light
  D) a continuous beam of laser light

Question 2

A convex lens is placed on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed.
 
  What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact? A) a bright red spot
  B) a dark spot
  C) a rainbow of color
  D) a bright spot that is some color other than red


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


genevieve1028

  • Member
  • Posts: 601
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

dreamfighter72

  • Member
  • Posts: 355
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Assessment of Light Touch Assessment of Light Touch
A “reduced power” warning light indicates a fault with the electronic throttle control system on ... A “reduced power” warning light indicates a fault with the electronic throttle control system on ...
Air flows through the PCV valve during idle, cruising, and light-load conditions. Air flows through the PCV valve during idle, cruising, and light-load conditions.
Predators adapt to extreme water pressure and the absence of light Predators adapt to extreme water pressure and the absence of light
Vision light adaptation & release of the inhibitory neurotransmitter glutamate Vision light adaptation & release of the inhibitory neurotransmitter glutamate
Assembly of a к light-chain gene in a B cell Assembly of a к light-chain gene in a B cell
Video: hGH, Thyroid hormones & Aldosterone

For a complete list of videos, visit our video library