Physics - MOST IMPORTANT DFCCIL MTS Previous Year Questions
Practice real questions from previous year exams of DFCCIL MTS.
📘 Light and Optics📚 Spherical Mirror- Terminology
Q1
Using a concave mirror, the light from the Sun is converged to form a sharp bright spot, at a point. This point is known as the __________ of the concave mirror.
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📘 Sound📚 Speed of Sound and Factor affecting it
Q2
The speed of sound is _____ in solids than in gases, and it _____ with an increase in temperature.
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📘 Force and Motion📚 Types of Motion
Q3
A car starts from a house to a tour destination. If it covers 100 m in each second exactly and reaches back home after 10 h, it is in _____ motion with an average speed of _____.
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📘 Current Electricity📚 Electric Circuit
Q4
Electric current in a circuit flows from ________ terminal of the cell to __________ terminal of the cell.
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📘 Force and Motion📚 Physical Quantities related to Motion- acceleration, displacement, etc.
Q5
A body starts from rest and covers a distance of 10 metre (m) in 2 seconds (s). It comes back to the starting point in 3 seconds. What is the average velocity of the body?
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📘 Current Electricity📚 Combination of Resistors (Series and Parallel)
Q6
An electrical circuit consists of a series combination of three resistors R1, R2 and R3 (where R1, R2 and R3 are not equal). Which of the following statements is correct for this circuit?
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📘 Light and Optics📚 Spherical Mirror- Terminology
Q7
For the case of a curved mirror, the pole, centre of curvature and the principal focus are connected by the:
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📘 Current Electricity📚 Resistance, Resistivity and specific resistance
Q8
A rheostat is a _____________.
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📘 Force and Motion📚 Physical Quantities related to Motion- acceleration, displacement, etc.
Q9
A bus sets for a journey and comes back after 2 days covering 4400 km. Its average velocity is _____.
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📘 Scientists and their Inventions📚 Inventors and Inventions
Q10
In which year did Niels Bohr receive the Nobel Prize for his work on the structure of the atom?
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📘 Force and Motion📚 Circular Motion and related terms (angular displacement, time period, etc.)
Q11
An object is moving in a circular path at a constant speed. What can be said about its acceleration?
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📘 Sound📚 Features of Sound- Loudness, Intensity, Pitch, Quality, etc.
Q12
The amount of sound energy passing each second through unit area is called the ______ of sound.
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📘 Light and Optics📚 Images formed by Concave Mirror
Q13
The image formed by concave mirror is real, inverted and of the same size as that of the object. The position of the object should be
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📘 Instruments to Measure things📚 List of Instruments to Measure Physical Quantities
Q14
Match the points under List I with those under List II. List-I (Instrument): (1) Sextant (2) Udometer (3) Thermopile (4) Pyrometer; List-II (Use): a. Measures the angle between two visible objects b. Measures small quantities of radiant heat c. Measures the temperature of a surface d. Measures the amount of rainfall
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📘 Scientists and their Inventions📚 Inventors and Inventions
Q15
Which British scientist is known for developing the principle of holography in 1947 to improve the resolution of the electron microscope?
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