A speed-time graph where the points do not form a straight line indicates that the object is accelerating in a non-uniform way, meaning its acceleration is changing over time.
If the plotted points on a speed-time graph do not form a straight line, this indicates that the object is accelerating in a non-uniform way. Instead of maintaining a constant rate of acceleration (represented by a straight line), the object's acceleration is changing over time. This could mean that the object is speeding up, slowing down, or changing direction. For example, a curved line might represent a car that starts off slowly, then accelerates rapidly before braking.
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b. The electric field is decreasing.
c. The electric field is not changing.
Answer:
Option a) is correct
Explanation:
In the given question option a) ( i.e the electric field is increasing ) is correct.
The above option is correct because the electric field and the electromagnetic wave both are in the same phase of the EM wave. Thus, the electromagnetic wave and the electric field are directly proportional to each other.
In an electromagnetic wave, the electric and magnetic fields are linked, oscillating in phase. Therefore, when the magnetic field is increasing, the electric field is also increasing.
In an electromagnetic wave, the electric field and the magnetic field are perpendicular to each other and they oscillate in phase. This means when the magnetic field is increasing, the electric field is also increasing, and vice versa. So, the correct answer is option a. The electric field is increasing. It's important to keep this correlation in mind while studying electromagnetic waves, as these oscillations and their interplay are fundamental to how these waves propagate through space.
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Answer:
It also increases
Explanation:
The strength of the gravitational force between two objects depends on two factors, mass, and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases.
b. False
The statement ‘Big bang theorists believe that the universe is expanding and will eventually contract’ is false. The answer is letter B. The big bang theory suggests that the origin of the universe began with that exploded and expanded. It also states that the universe began in a single form of high condensed reactive matter and exploded forming the galaxies, planets, stars and other celestial bodies.
Answer:
FALSE
Explanation:
Answer:
Changing the amplitude of the sound waves
Explanation:
B. Free electrons are concentrated in the P-type material and holes form in the N-type material.
C. The negative terminal of the source of voltage is connected to the N-type material within a reverse-biased setup.
D. Only a small current will flow through the diode in the forward-biased setup.