Two mirrors X and Y are shown to be inclined to each other at 100°. A ray of light falls
upon m...
Physics, 05.04.2020 12:55 JoeyDoesMath2399
Two mirrors X and Y are shown to be inclined to each other at 100°. A ray of light falls
upon mirror X as shown. The angle of incidence upon mirror Y is
a) 15 degrees
b) 30 degrees
c) 40 degrees
d) 100 degrees
Answers: 3
Physics, 21.06.2019 20:00
Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.
Answers: 2
Physics, 21.06.2019 21:00
50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.
Answers: 1
Physics, 22.06.2019 04:40
Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure
Answers: 3
Physics, 22.06.2019 08:30
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
Answers: 3
Computers and Technology, 12.11.2020 20:10
Biology, 12.11.2020 20:10
Mathematics, 12.11.2020 20:10
Mathematics, 12.11.2020 20:10
English, 12.11.2020 20:10
Mathematics, 12.11.2020 20:10
Mathematics, 12.11.2020 20:10
Mathematics, 12.11.2020 20:10
Arts, 12.11.2020 20:10
English, 12.11.2020 20:10
Mathematics, 12.11.2020 20:10
Mathematics, 12.11.2020 20:10
Engineering, 12.11.2020 20:10