Question

Use of:-

★ Spyghmomanometre
★ Lactometre

♦Who discovered ★Proton ★Electron ★Neutron ★Nucleus

Answer 1

spyghmomanometre is use for measuring blood pressure.

lactometer is use to measure purity of milk.

Ernest Rutherford discover proton and nucleus.
J.J.Thomas discover electron.
James Chadwick discover neutron.


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Answer 2

$\huge{\textsf{\textbf{\color{violet}{Question:-}}}}$

What is use of :-

• Spyghmomanometre ?
• Lactometer ?

Who discovered :-

• Proton ?
• Electron ?
• Neutron ?
• Nucleus ?

$\huge{\textsf{\textbf{\color{violet}{Answer:-}}}}$

⭐ Use of spyghmomanometre :-

The spyghmomanometre is used to monitor the blood pressure by measuring the force of the blood in the heart where the pressure is the highest.

⭐ Use of lactometer :-

The lactometer is an instrument used to test the purity of milk.

⭐ Discoverer of proton :-

Ernest Rutherford discovered the proton.

⭐ Discoverer of electron :-

Electron was discovered by J.J Thomson.

⭐ Discoverer of neutron :-

Sir James Chadwick is the one who discovered neutron.

⭐ Discoverer of nucleus :-

Nucleus was discovered by Antonie van Leeuwenhoek.

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