Physics, 11.07.2019 22:30 TheMixingToad

He inner surface of a cone coated by a reflecting layer forms a conical mirror. a thin incandescent filament is stretched in the cone along its axis aphe minimum angle o of the cone for which the rays emitted by the filament will be reflected from the conical surface not more than once is greater than or equal to 120°. b) ifangle ofcone is less than 120° the rays from the filament will be reflected from the conical surface not more than once c) forany angle of cone multiple reflections of the rays from filament occurs d) lf angle ofcone is less than 120° the rays from the filament will be reflected from the conical surface more than once

Answers: 1

Show answers

Another question on Physics

Physics, 21.06.2019 17:30

Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg

Answers: 1

Answer

Physics, 22.06.2019 05:00

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

Answers: 2

Answer

Physics, 22.06.2019 15:10

In the circuit, the switch s has been open for a long time and r = 125 kohm. it is then suddenly closed. (a) determine the time constant before the switch is closed. s (b) determine the time constant after the switch is closed. _ s (c) let the switch be closed at t = 0. find the current in the switch as a function of time. (use t for time. express your answer in milliamps and seconds.) i(t) =_

Answers: 3

Answer

Physics, 22.06.2019 15:10

Where do magnetic lines of force enter earth?

Answers: 3

Answer

You know the right answer?

He inner surface of a cone coated by a reflecting layer forms a conical mirror. a thin incandescent...

Questions