subject
Physics, 31.03.2021 19:40 alisonguerrero17

A lens 20cm in front of an object produces a virtual image \frac{2}{3}
the size of the object. The lens focal length is?​

ansver
Answers: 1

Another question on Physics

question
Physics, 21.06.2019 22:40
Explain vector addition, triangle method and parallelogram method
Answers: 1
question
Physics, 22.06.2019 03:30
Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.
Answers: 3
question
Physics, 22.06.2019 05:30
Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?
Answers: 1
question
Physics, 22.06.2019 14:30
In order to do work, the force vector must be question 1 options: in a different direction than the acceleration vector. in a different direction than the displacement vector. in the same direction as the displacement vector and the motion. in the same direction as the acceleration vector.
Answers: 1
You know the right answer?
A lens 20cm in front of an object produces a virtual image
the size of the object. The lens f...
Questions
Questions on the website: 13722359