Practice Properties of Matter RRB PYQ questions from Railway examinations, including RRB NTPC PYQ, RRB Group D PYQ, RRB JE PYQ, RRB ALP PYQ and RRB Technician PYQ. This topic-wise question set covers important Physics concepts related to the properties of matter that are useful for Railway exam preparation.
The questions cover important concepts such as elasticity, surface tension, capillarity, flow of liquids, buoyancy and Archimedes’ principle. These questions help candidates revise important concepts and understand the types of Physics questions that can be asked in RRB examinations.
Whether you are preparing for RRB NTPC Properties of Matter PYQ, RRB Group D Properties of Matter PYQ, RRB JE Properties of Matter PYQ, RRB ALP Properties of Matter PYQ, or RRB Technician Properties of Matter PYQ, practice these previous year questions regularly to strengthen your Physics preparation.
Start practicing Properties of Matter RRB PYQs and strengthen your Physics preparation for upcoming Railway examinations.
71
As depth below a liquid's free surface increases, pressure:
RRB Group-D
12/12/2018 / Shift III
2018
✓ Answer:CIncreases
Hydrostatic pressure increases with depth according to P = P_surface + ρgh.
72
In which state is intermolecular attraction generally strongest?
RRB JE
14/12/2014 / Green Paper
2014
✓ Answer:ASolid
In solids, particles are closely bound and vibrate about relatively fixed positions.
73
As depth below a liquid's free surface decreases, pressure:
RRB Group-D
10/12/2018 / Shift III
2018
✓ Answer:CDecreases
The hydrostatic contribution ρgh decreases when depth h decreases.
74
Which statement is not true about increasing temperature and the distribution of molecular speeds in a gas?
RRB Group-D
11/12/2018 / Shift II
2018
✓ Answer:BThe fraction of molecules at the maximum possible speed increases
Source key: B. On heating, the most probable speed rises, the distribution broadens and its peak lowers, while total area stays constant. The phrase 'maximum possible speed' is imprecise; a Maxwell distribution has no finite maximum speed.
75
For a fixed force, which quantity increases when the pressure exerted by a solid decreases?
RRB Group-D
07/12/2018 / Shift I
2018
✓ Answer:CContact area
Pressure is inversely proportional to contact area at fixed force.
76
In classical kinetic theory, at absolute zero:
RRB ALP & Technician
29/08/2018 / Shift I
2018
✓ Answer:CThe molecules' thermal kinetic energy is zero
Classical mean translational kinetic energy is 3kT/2, so it vanishes at T = 0. This is a classical ideal-gas statement and does not imply the absence of quantum zero-point motion.
77
At high altitude, pressure inside a pressurized aircraft cabin is:
RRB NTPC (Stage-I)
29/03/2016 / Shift III
2016
✓ Answer:CGreater than outside pressure
The cabin is maintained at a higher pressure than the surrounding high-altitude atmosphere.
78
Which statement about diffusion in gases, liquids and solids is correct?
RRB Group-D
02/11/2018 / Shift III
2018
✓ Answer:BGases generally diffuse faster than liquids and solids
Gas particles move freely and generally spread through one another faster than particles in liquids or solids.
79
At a fixed temperature, air pressure is proportional to:
RRB Group-D
02/11/2018 / Shift I
2018
✓ Answer:ADensity
For an ideal gas of fixed composition, P = ρR_specific T, so P is proportional to density at fixed temperature.
80
Gas molecules exert force on a vessel's wall because of:
RRB JE
14/12/2014 / Red Paper
2014
✓ Answer:DChanges in momentum during collisions with the wall
The wall changes molecular momentum during collisions. The rate of momentum transfer produces force and pressure.
Tags: Properties of Matter RRB Physics PYQ, Properties of Matter Previous Year Questions, RRB NTPC Properties of Matter PYQ, RRB Group D Properties of Matter PYQ, RRB JE Properties of Matter PYQ, RRB ALP Properties of Matter PYQ, RRB Technician Properties of Matter PYQ, Properties of Matter Questions for Railway Exams, Properties of Matter MCQ for RRB Exams
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