47 Best Light Questions and Answers (Q&A) - ProProfs Discuss

What is the critical angle for diamond (n = 2.42) submerged in water (n = 1.33)?

N. Kingsley, Writer
Answered: Oct 04, 2018

The answer to this is A. Diamonds are known to be very rare gems. There are people who would love to stock up on their jewelry that comes with diamonds because they know that these will sell well...Read More

4 Answers

1015 views

What is the difference between Lite and Light?

J. Lautner, Product Manager
Answered: Aug 06, 2019

There is no big difference between light and lite. Both words are used to describe materials that are not too heavy in terms of their composition. Light comes from the Greek word 'leukos' and in...Read More

2 Answers

986 views

What is the distance between the positions of the original and final images seen in the mirror if an object is placed 20 cm in front of a plane mirror and the mirror is moved 2 cm towards the...

L.Steven
Answered: Jan 07, 2018

As the object was initially placed 20 cm in front of the plane mirror, the image formed was 40 cm away from the original object. Now, when the mirror is moved 2 centimeters towards the object,...Read More

3 Answers

755 views

What will happen when a light ray travelling in glass is incident on an air surface?

M. Kennedy, Web Content Writer
Answered: Jun 28, 2018

The answer to this question is D which is all of A, B, and C. Take note that there are always differences depending on the surface wherein the light would hit. If it would hit a translucent...Read More

2 Answers

748 views

What is the point where the light rays cross will?

John Adney
Answered: Apr 24, 2017

The point of intersection would always stay in the same place

2 Answers

630 views

What must she do to catch it with her spear? A survivor from a ship wreck sees an image of aÂ fish in the water.

Songj
Answered: Jan 22, 2025

Aim below the image of the fish

1 Answer

596 views

What angle will the reflected ray make with the reflecting surface if the angle of incidence is 34?

H. Jones, Web Content Writer
Answered: Aug 07, 2018

The reflected ray will have an angle of 56 degrees, or answer C. This is because the angle of incident and the reflected ray’s angles will add to 90 degrees. The easiest way to find the...Read More

2 Answers

533 views

What is the difference between Luminosity and Brightness?

W. Kaye, Ex-Marine
Answered: Jun 13, 2019

Luminosity and Brightness are two terms that are talking about light. If you want to measure the amount of light being generated from a source of light, or you want to describe the effect of the...Read More

3 Answers

489 views

What is the process of photosystem?

John Smith
Answered: Jan 22, 2025

The photosystem is a process of functional units of protein complexes involved in the process of photosynthesis.

1 Answer

432 views

What is the most efficient way for a Consultant to keep Technicians proactively informed about updates to their Service Appointments and Work Orders in the Field Service mobile app?This...

Catherine halcombe
Answered: Jan 22, 2025

Enable Notifications in Field Service Settings.

1 Answer

386 views

How much speed of light travel?

B.Lisa
Answered: Dec 12, 2017

In theory nothing can travel faster than light. In a vacuum light can travel 186,282 miles per second which is equal to 299,792 kilometers per second. If it were possible for humans to travel at...Read More

2 Answers

360 views

What set of configurations make up Scheduling Policies and let companies adhere to their business constraints and preferences?

Catherine halcombe
Answered: Jan 22, 2025

Service Objectives and Work Rules

1 Answer

359 views

Which type of mirror makes everything look HUGE?

Swen
Answered: Jan 22, 2025

Concave Mirror

1 Answer

309 views

Why does light change its direction?

W. Kaye, Ex-Marine
Answered: Dec 23, 2020

Light switches direction when passing through a prism because the density of air is different from glass concentration. Therefore, the speed changes when something is optically dense; it is more...Read More

2 Answers

292 views

What is the difference between Halogen and Fluorescent Lamps?

Amla Amelia
Answered: Mar 05, 2020

One of the things that you have to decide on when you are decorating your home is the type of lighting fixtures that you are going to choose. There are some who would choose halogen lamps because...Read More

1 Answer

86 views

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