Explain the intensity

Assignment Help Physics
Reference no: EM13233545

A photoflash unit makes a very bright light for a very short time. Discuss differences in the exposure of the film with and without a flash unit. Consider the f-stop and shutter speed in your deliberation. Which is important: the intensity of the light, or the product of the intensity and the time of the flash?

Reference no: EM13233545

Questions Cloud

Transform g to an equivalent g'' that has no : Let G be a context free grammar with productions S->ABAC , A->aA|? , B->bB|? , C->d Transform G to an equivalent G' that has no ? productions and no unit productions
What is the slope of japans short-run phillips curve : Due to historical differences, countries often differ in how quickly a change in actual inflation is incorporated into a change in expected inflation. In a country such as Japan, which has had very little inflation in recent memory
Are these measures independent or interdependent : what implications does that fact have for managers wanting to create and sustain a competitive advantage?
Explain straight and bent nails removed from the box : probability that you removed 8 straight nails and 2 bent nails? To find the probability, first derive a general expression using the following notation
Explain the intensity : A photoflash unit makes a very bright light for a very short time, Which is important: the intensity of the light, or the product of the intensity and the time of the flash
Why is it important to study the internal resources : Why is it important to study the internal resources, capabilities, and activities of firms? What insights can be gained.
What powers of the church-middle ages : What powers of the Church, so effective during the Middle Ages, were now worthless after 1500 to force others, whether Protestant or Catholic, to do its will? How did Protestants think they could save their souls?
What are the disadvantages of the candidates plan : Concerned about the crowding-out effects of government borrowing on private investment spending, a candidate for president argues that the US should just print money to cover the government's budget deficit.
Explain what is the concentration of cn- at equilibrium : A 50.0-mL sample of 2.0 x 10-4 M CuNO3 is added to 50.0 mL of 4.0 M NaCN. Cu+ reacts with CN- to form the complex ion [Cu(CN)3]^2: [Cu(CN)3]^2- Cu+ (+) 3CN- K = 1.0 x 10^-9

Reviews

Write a Review

 

Physics Questions & Answers

  Find the potential difference across each capacitor

Two capacitors, C1 = 6.00 µF and C2 = 14.0 µF, are connected in parallel, and the resulting combination is connected to a 9.00-V battery. (a) Find the equivalent capacitance of the combination.

  When a pulse is amplified in a linear amplifier

When a pulse is amplified in a linear amplifier, the charge carrier transmit time can cause.

  Find out the moment of inertia of the pulley

You're in an airplane that flies horizontally with speed 1000 km/h (280m/s) when an engine falls off. Neglect air resistance suppose it takes 30s for the engine to hit the ground.

  How far are you from the lightning stroke

compute the tension in the rope if the gymnast slides down the rope with a downward acceleration of magnitude 1.40 m/s^2 .

  How elastic or stretchable the string is

A superhero flies 272m from the top of a tall building at an angle of 32 below the horizontal. What is the vertical component of the superhero's displacement.

  How much heat per second h flows

A long rod, insulated to prevent heat loss along its sides, is in perfect thermal contact with boiling water (at atmospheric pressure) at one end and with an ice-water mixture at the other.

  What is the period of oscillations

A body of mass 200 g is acted upon by a force of 20 n. Find the acceleration of the body. If the body above is having a volume of 1000 cm3 estimate its density in kg/m2.

  Define what is the depth of the liquid

if oxygen molecules are more massive than the nitrogen molecules, is the rms speed of the O2 molecules greater than, less than, or euqls to rms speed of the n2 molecules.

  What will the induced emf in the short coil during this time

A cylindrical container with a cross-sectional area of 66.2 holds a fluid of density 816 kg/m3, and bottom of the container the pressure is 118 kPa. What is the depth of fluid.

  Find the magnitude of the centripetal force

An observer, whose eyes are 1.77 m above the ground, is standing 28.0 m away from a tree. The ground is level, and the tree is growing perpendicular to it. The observer's line of sight with treetop makes an angle of 22.0° above the horizontal. How..

  What was the negative charge in coulombs

When the wire is removed, the spheres repel each other with an electrostatic force of 0.0394 N. Of the initial charges on the spheres, with a positive net charge, what was (a) the negative charge in coulombs on one of them and (b) the positive cha..

  Find out vertical and horizontal components

Find out vertical and horizontal components

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd