Answer:
<em>b. There will be more electrons emitted.</em>
Explanation:
In photoelectric emission, the energy of the emitted electron is dependent on the frequency of the wave incident on the plate; but not the intensity. The rate of electron emission per unit time however depends on the intensity of the incident light. So increasing the intensity of the light at constant frequency will only affect the number of electrons emitted per unit time.
Answer: The angular magnification M = 2.1
Explanation:
If the jeweler holds the diamond at the focal point of the magnifying glass, its image will be produced infinitely far away.
This gives an angular magnification of M = N/f
Since the diamond is held 5.68 cm from the magnifying glass,
Then, M = (N - 5.68)/f
Where N = 22.0 cm and f = 7.7 cm
M = (22 - 5.68)/7.7
M = 2.1
No there is not only one tool used. They are many. Examples are:
Buchner funnel
Bunsen burner
Buret.
Answer:
Explanation:
First of all, well calculate the spring constant k
K = 2Ei/x^2
Where Ei = initial work required
x = initial stretch length
k = 2×7/0.017^2 = 48443J/m^2
Now work done in stretching it to 5.3cm (1.7 + 3.6) or 0.053m
EF = kx^2/2
48443 × 0.053^2/2 = 68J
Work done in stretching additional 3.6cm is equal to
68J-7J = 61J
Answer:
answer is a very large amount of energy is produced from a very small mass
Explanation:
nuclear energy is produced either by fusion or fission the former is fusion of lighter atoms into heavier elements while the letter is the splitting of a heavier atom into lighter atoms. both produce tremendous amount of energy fusion causes compassion of mass wild fission reduces it. and produce it. fusion does not produce radioactive particles while fission does (alpha and beta particles and neutrons)
