NDA 2016 Paper 2 | Physics Question 26 | General Science

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NDA 2016 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

If the image of an object formed by a concave mirror is virtual, erect and magnified, then the object is placed

at the principal focus

at the centre of curvature

beyond the centre of curvature

between the pole of the mirror and the principal focus

NDA 2016 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

When three resistors, each having resistance r, are connected in parallel, their resultant resistance is x. If these three resistances are connected in series, then total resistance will be

3rx

$${3 \over x}$$

NDA 2016 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

The property of electric current which is applicable in the fuse wire is

chemical effect of current

magnetic effect of current

heating effect of current

optical property of current

NDA 2016 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Along a streamline flow of fluid,

the velocity of all fluid particles at a given instant is constant

the peed of a fluid particle remains constant

the velocity of all fluid particles crossing a given position is constant

the velocity of a fluid particle remains constant

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Questions Asked from Marks 2.5