Foot-candles measure incident light

Assignment Help Other Subject
Reference no: EM13298457

Ture or False.

1. Lumen refers to the quantity of light that is given off in all directions by the lamp itself.

2. Lumens are never compared to watts.

3. Cndlepower describes the amount of light given off in a particular direction.

4. Candela is the measurement applied to the light issuing from a lighting fixture.

5. The light falling on a target is called incident light.

6. Foot-candles measure incident light.

7. Light that is reflected from an object is measured in footlamberts.

8. Extreme contrasts in brightness can cause temporary eyestrain.

9. Contrasts in brightness are not essential to the process of seeing

10. When contrast in brightness is so great that is causes loss in visual performance, it is called glare.

Questions Cloud

 Determine the maximum allowed braking force : At the end of an amusement park ride, you want the gondola to stop without the acceleration exceeding 2 g's. determine the maximum allowed braking force How much money are you borrowing : In keeping with his reputation, he requires that the first payment be paid today. He also charges you 2 percent interest per month. How much money are you borrowing? What is the job worth to you today : You have a sub-contracting job with a local manufacturing firm. your agreement calls for annual payment of 82000 for the next 3 years. at a discount rate of 9.5 percent, what is the job worth to you today? Explain the thermal decomposition of mercury(ii) oxide : A mercury mirror forms inside a test tube by the thermal decomposition of mercury(II) oxide. 2 HgO(s) 2 Hg(l) + O2(g) Hrxn = 181.6 kJ (a) How much heat is needed to decompose 504 g of the oxide? kJ Foot-candles measure incident light : Lumen refers to the quantity of light that is given off in all directions by the lamp itself. Lumens are never compared to watts. Cndlepower describes the amount of light given off in a particular direction. Candela is the measurement applied to the .. Calculate the distance between the two slits : Two narrow slits are illuminated by a laser with a wavelength of 593 nm. Calculate the distance between the two slits What was the firms cash flow : What was the firm's cash flow to creditors during 2008? Determine what design speed was used for the curve : A horizontal curve was designed for a four-lane highway for adequate SSD. Lane widths are 12 feet, and the superelevation is 0.06 and was set assuming maximum fx. If the necessary sight distance required 52 feet of lateral clearance from the roadw.. Explain the equilibrium position of increasing the volume : Consider the reaction Cl2(g) + I2(g) 2 ICl(g), which is endothermic as written. What would be the effect on the equilibrium position of increasing the volume of the reaction container

Write a Review

Cross-cultural opportunities and conflicts in canada

Short Paper on Cross-cultural Opportunities and Conflicts in Canada.

Sociology theory questions

Sociology are very fundamental in nature. Role strain and role constraint speak about the duties and responsibilities of the roles of people in society or in a group. A short theory about Darwin and Moths is also answered.

A book review on unfaithful angels

This review will help the reader understand the social work profession through different concepts giving the glimpse of why the social work profession might have drifted away from its original purpose of serving the poor.

Disorder paper: schizophrenia

Schizophrenia does not really have just one single cause. It is a possibility that this disorder could be inherited but not all doctors are sure.

Individual assignment: two models handout and rubric

Individual Assignment : Two Models Handout and Rubric,    This paper will allow you to understand and evaluate two vastly different organizational models and to effectively communicate their differences.

Developing strategic intent for toyota

The following report includes the description about the organization, its strategies, industry analysis in which it operates and its position in the industry.

Gasoline powered passenger vehicles

In this study, we examine how gasoline price volatility and income of the consumers impacts consumer's demand for gasoline.

An aspect of poverty in canada

Economics thesis undergrad 4th year paper to write. it should be about 22 pages in length, literature review, economic analysis and then data or cost benefit analysis.

Ngn customer satisfaction qos indicator for 3g services

The paper aims to highlight the global trends in countries and regions where 3G has already been introduced and propose an implementation plan to the telecom operators of developing countries.

Prepare a power point presentation

Prepare the power point presentation for the case: Santa Fe Independent School District

Information literacy is important in this environment

Information literacy is critically important in this contemporary environment

Associative property of multiplication

Write a definition for associative property of multiplication.