Physics - Study Mode

[#896] Electrons carry a
Correct Answer

(B) Negative Charge

Explanation

Solution: Electrons carry a negative charge.

[#897] An atom with more neutrons than protons is called
Correct Answer

(C) Isotope

Explanation

Solution: An atom with more neutrons than protons is called isotope.

[#898] What part of the atom has a positive charge?
Correct Answer

(B) Proton

Explanation

Solution: Proton has a positive charge.

[#899] Who was the first scientist to discover Electrons?
Correct Answer

(D) J.J Thompson

Explanation

Solution: J.J. Thompson was the first scientists to discover electrons.

[#900] The wave like properties of electrons are useful in
Correct Answer

(A) Magnifying objects

Explanation

Solution: The wave like properties of beams of electrons are useful in magnifying objects. The electrons in an electron microscope have much smaller wavelengths than visible light. This allows a much clearer enlarged image of a very small object, such as this mite.