Get daily topic-wise Railway Quiz Questions and answers for various RRB exams like NTPC, JE, ALP, Group C and D. Free section-wise Indian railway quiz for RRB Exam.
Q1. Instrument for measuring rainfall is called –
(a) Lucimeter
(b) Galactometer
(c) Hyetometer
(d) Hygrometer
Q2. Who established the foundations of the quantum theory?
(a) Max Planck
(b) Mark Nicholas
(c) Albert Einstein
(d) Alfred Hitchcock
Q3. If in a motion, the axis of the rotation passes through an object, the motion is called _________.
(a) Orbital motion
(b) Circulatory motion
(c) Spin motion
(d) Oscillatory motion
Q4. If an object, on a free fall from a certain height, reaches the ground in 1 second, what is its velocity on the impact with the ground?
(a) 4.9 m/s
(b) 9.8 m/s
(c) 14.7 m/s
(d) 19.6 m/s
Q5. What is the angle between centripetal acceleration and tangential acceleration?
(a) 90°
(b) 45°
(c) 0°
(d) 180°
Q6. Rectifiers convert _____.
(a) high voltage to low voltage
(b) low voltage to high voltage
(c) AC to DC
(d) DC to AC
Q7. Name the first Indian who got Nobel Prize in physics.
(a) C K Naidu
(b) Rangnath Mishra
(c) Amartya Sen
(d) C V Raman
Q8. Which physical quantity is measured in ‘siemens’?
(a) Electric potential
(b) Electrical conductance
(c) Magnetic flux
(d) Refractive index
Q9. Who invented Universal Standard Time?
(a) Enrico Fermi
(b) Adolf Gaston Eugen Fick
(c) Sandford Fleming
(d) Benoit Fourneyron
Q10. _____________________ states that the total current entering a junction is equal to the total current leaving the junction.
(a) Lenz’s Law
(b) Hooke’s Law
(c) Ohm’s Law
(d) Kirchhoff’s First Law
Table of Contents
Solution
Ans.1.(c)
Exp. Hyetometer is the instrument used to measure rainfall.
Ans.2.(a)
Exp. Max Planck was a German theoretical physicist, considered to be the initial founder of quantum theory, and one of the most important physicists of the 20th Century.
Ans.3.(c)
Exp. In physics, spin is the velocity of rotation of something around a particular axis.
Ans.4.(b)
Exp.If an object, on a free fall from a certain height, reaches the ground in 1 second, its velocity on the impact with the ground 9.8 m/s.
Ans.5.(a)
Exp. The angle between centripetal acceleration and tangential acceleration is 90°.
Ans.6.(c)
Exp. A rectifier is an electrical device composed of one or more diodes that converts alternating current (AC) to direct current (DC).
Ans.7.(d)
Exp. The Nobel Prize in Physics 1930 was awarded to Sir Chandrasekhara Venkata Raman “for his work on the scattering of light and for the discovery of the effect named after him.
Ans.8.(b)
Exp.The Siemens (symbol S) is the derived unit of electric conductance.
Ans.9.(c)
Exp. Universal Standard time, as originally proposed by Scottish-Canadian Sir Sandford Fleming in 1879, divided the world into twenty-four time zones, each one covering 15 degrees of longitude.
Ans.10.(d)
Exp. Kirchhoff’s First Law states that the total current entering a junction is equal to the total current leaving the junction. In other words, the algebraic sum of currents at a junction is zero.
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