NDA General Ability 4 September 2022 | Physics Question 336 | General Science

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NDA General Ability 4 September 2022

MCQ (Single Correct Answer)

-1.33

A DC generator works on the principle of

Ohm’s law

Joule’s law of heating

Faraday’s laws of electromagnetic induction

None of the above

NDA General Ability 4 September 2022

MCQ (Single Correct Answer)

-1.33

The presence of magnetic field can be determined using which one of the following instruments?

Ammeter

Voltmeter

Magnetic needle

Motor

NDA General Ability 4 September 2022

MCQ (Single Correct Answer)

-1.33

Which one of the following statements about speed and velocity is correct?

Speed and velocity both are vector quantities.

Speed and velocity both are scalar quantities.

Speed is vector quantity and velocity is scalar quantity.

Speed is scalar quantity and velocity is vector quantity.

NDA General Ability 4 September 2022

MCQ (Single Correct Answer)

-1.33

Two convex lenses have focal lengths of 50 cm and 25 cm, respectively. If these two lenses are placed in contact, then the net power of this combination will be equal to

+2 dioptre

+6 dioptre

-6 dioptre

+3 dioptre

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Questions Asked from Marks 4

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