The attractive force that keeps the nucleus together is called nucleus force.
<span>The nucleus becomes increasingly more stable upon the addition of nucleons up to iron-56.
</span>So, as the size of the nucleus increase more iron 56 are needed.
Iron-56<span> (</span><span>56Fe</span><span>) is the most common isotope of </span><span>iron.</span>
Answer:
A. Nuclear and fossil fuel-burning power plants differ mainly in where their energy comes from; a nuclear reactor produces heat from radioactive metals, and a fossil-fuel plant burns coal, oil or natural gas.
B. Environmental and economic benefits of using renewable energy include: Generating energy that produces no greenhouse gas emissions from fossil fuels and reduces some types of air pollution. Diversifying energy supply and reducing dependence on imported fuels
C. These are energy sources that are constantly being replenished, such as sunlight, wind, and water.
The most popular renewable energy sources currently are:
Solar energy.
Wind energy.
Hydro energy.
Tidal energy.
Geothermal energy.
Biomass energy.
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The correct answer of this question is : Negative focal length and virtual images.
EXPLANATION:
The concave lens is that transparent spherically refracting surface which is diverging in nature. It is so because it is bulged at the edges and thinner in the centre.
The focal length of the concave lens is always taken negative.
As the lens is diverging in nature, it always forms virtual,erect and diminished image. It means the image formed by concave lens has less size as compared to object.
Hence, the correct answer of this question is that concave lenses have negative focal length and always form virtual images.
Answer:
(I). The motional emf induced between the ends of the segment is
(II). The motional emf is zero.
Explanation:
Given that,
Magnetic field = 0.080 T
Velocity of wire segment = 78 m/s
Component in x direction = 18 m/s
Component in y direction = 24 m/s
Component in z direction = 72 m/s
Length = 0.50 m
We need to calculate the motional emf induced between the ends of the segment
Using formula of emf
Put the value into he formula
(II). If the wire segment is parallel to the y-axis then the angle between B and v is zero.
We need to calculate the motional emf
Using formula of emf
Here,
Hence, (I). The motional emf induced between the ends of the segment is
(II). The motional emf is zero.
Answer:
Mass on the moon: 5 Kg
Explanation:
Mass will stay the same. Mass of an object does not depend on gravitational force as it is the quantity on matter possessed by a body.