NTS Quantitative Reasoning MCQS with Answers
A sun rise or sun set, the sun looks reddish because.
Of the effects of reflection and refraction
The sun is hottest at these times
Of the scattering of light
The sun is coldest at these times
Two forces of 10N and 15N are acting simultaneously on an object in the same direction. Their resultant is
5N
Zero
150N
25N
A 50-volt battery is connected across 10-ohm resistor.The current is 4.5 A.The internal resistance of the battery is
0.5 ?
1.1 ?
5.0 ?
Zero
The twinkling of stars is due to
The fact that stars do not emit light continuously
None of them
The refractive index of the earth’s atmosphere fluctuate
Intermittent absorption of star light by its own atmosphere
Two bodies of masses m1 and m2 have equal momentum their kinetic energies E1 and E2 are in the ratio
m12 :m22
m2: m1
?m1 : ?m2
m1 : m2
What remains constant in the field of central force?
Potential energy
Linear momentum
Angular momentum
Kinetic energy
In an AC circuit a resistance of R ohm i connected in series with an inductance L if phase angle between voltage and current be 45o the value of inductive reactance will be
R
R/4
R/2
Ultra-violet radiation of 6.2 eV falls on an aluminium surface K.E of fastest electrons emitted is(work function = 4.2 eV)
3.2 x 10-21 J
7 x 10-25 J
3.2 x 10-19 J
9 x 10-32 J
Which of the following sources give discrete emission spectrum?
Sun
Candle
Incandescent electric bulb
Mercury vapour lamp
Which of the following is a scalar quantity
Displacement
Weight
Density
Torque
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