Electromagnetic energy that is invisible to the human eye is known as

1 answer:

4 0

<span>d. ultraviolet light

The electromagnetic energy visible to the human eye is known as Visible light.

All the options are all forms of visible light except Ultraviolet light.</span>

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The orbital velocity of the Earth about the sun is 30 km/s. If the Earth were suddenly stopped in its tracks, it would simply fa

soldi70 [24.7K]

Answer:

Planet will crash on to the Sun if the tangential velocity becomes zero and Rocket should be fired from Earth's orbit is at 30 m/s and in opposite direction to the Earth orbits the Sun

Explanation:

The orbital velocity of the Earth about the sun is 30 km/s. If we shoot a rocket with 30 km/s with respect to Earth in the opposite direction. Then the two velocity vectors cancel. The resultant velocity would be zero with respect to the Sun. resulting velocity is called as tangential velocity.

Planet will crash on to the Sun if the tangential velocity becomes zero and Rocket should be fired from Earth's orbit is at 30 m/s and in opposite direction to the Earth orbits the Sun

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An atom or ion has the abbreviated electron configuration [kr]. Select the species that it could not be

Lera25 [3.4K]

An atom or ion which does not have the same electronic configuration as the species [kr] is K+

The complete question is given below:

An atom or ion has the abbreviated electron configuration (Kr). Select the species that it could not A. Br" B. K+ C. Sr24 D. Rbt E. Se-

An atom can be defined as the smallest particle of an element which can take part in a chemical reaction.

Some elements are