Physics, 07.05.2021 16:10 eric271828
Two light rays from a common point are refracted by a lens. A real image is formed when these two refracted rays
A
diverge and appear to come from a single point.
B
converge to a single point.
C
travel in parallel paths.
D
totally reflect inside the lens.
Answers: 2
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Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?
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Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.
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Physics, 22.06.2019 22:20
The starship enterprise is caught in a time warp and spock is forced to use the primitive techniques of the 20th century to determine the specific heat capacity of an unknown mineral. the 125-g sample was heated to 96.3°c and placed into a calorimeter containing 85.9 g of water at 20.0°c. the heat capacity of the calorimeter was 14.2 j/k. the final temperature in the calorimeter was 24.5°c. what is the specific heat capacity (in j/g°c) of the mineral? enter to 4 decimal places.
Answers: 1
Two light rays from a common point are refracted by a lens. A real image is formed when these two re...
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