2 years ago

A nucleus splits to form two or more smaller nuclei during which process?

Physics

1 answer:

salantis [7]2 years ago

7 0

Answer:

nuclear fission

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Can a average velocity be zero.Why?

marishachu [46]

<u>Answer:</u>

Yes

<u>Explanation:</u>

Average velocity is the ratio of total displacement and time taken for that displacement:

$average \space\ velocity = \frac{displacement}{time}$

This means if displacement is zero, then average velocity will also be zero.

Displacement is zero when an object moves some distance in one direction, and then moves the same distance but in the opposite direction.

∴ As it is possible for displacement to be zero, it is also possible for average velocity to be zero.

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1 year ago

Which collects light in a reflecting telescope?

Alecsey [184]

Concave lens. These are used in making the objectives of reflection telescopes

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3 years ago

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A photon of wavelength 192 nm strikes an aluminum surface along a line perpendicular to the surface and releases a photoelectron

alex41 [277]

Answer:

$KE=3.529\times10^{−27}\ J$

Explanation:

Given that

Wavelength λ=192 nm

So energy of photon,E

$E=\dfrac{hC}{\lambda }$

Now by putting the values

$h=6.6\times 10^{-34}\ m^2.kg/s$

$C=3\times 10^{8}\ m/s$

$E=\dfrac{6.6\times 10^{-34}\times 3\times 10^{8}}{192\times 10^{-9} }$

$E=1.03\times 10^{-18} J$

We know that

Kinetic energy given as

$KE=\dfrac{P^2}{2m}$

$KE=\dfrac{E^2}{2mC^2}$

$KE=\dfrac{(1.03\times 10^{-18})^2}{2\times 1.67\times 10^{-27}(3\times 10^8)^2}$

$KE=3.529\times10^{−27}\ J$

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2 years ago

If your car is moving at 100 km/hr, how many kilometers will your car travel in 15 minutes?

steposvetlana [31]

It will be 25 if the car moves at that speed for 15 minutes

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1 year ago

The magnetic field of a straight, current-carrying wire is:

frutty [35]

Conductive current is the answer I d k

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2 years ago