RRB Group D Exam 2022 Physics And Chemistry Practice Set 39 :

RRB Group D Exam 2022 Physics And Chemistry Practice Set 39 :

RRB Group D Exam 2022 Physics & Chemistry Practice Set 39: by Railway Recruitment Board rrb group d The date of examination has been announced for RRB Group D exam will start from next month i.e. 23rd February 2022. Therefore, now all the competitive students who are preparing for Railway Group D, now they should intensify their preparation even more.

In such a situation, today through this article, we have brought a collection with answers to some important questions of physics and chemistry asked by the Railways in the previous examinations. Therefore, before going to the competitive examination, students should see these questions thoroughly and understand it.

RRB Group D Exam 2022 Physics And Chemistry Practice Set 39

Question. Faraday’s law is related to

• electrolysis
• by gas pressure
• by electrocution
• by electric propagation

Question. What will be the shape of a candle flame in the state of weightlessness?

• longer
• will remain the same
• round shape
• more little

Question. Which of the following metals is used as a semiconductor in transistors?

• Silver
• graphite
• germanium
• All

Question. Which of the following does not affect the value of acceleration due to gravity?

• Mass
• altitude
• Speed
• pressure

Question. In the force equation, F is equal to.

Question. What is the definition of mass?

• The mass of an object is directionless. Hence it is a scalar quantity.
• Mass can be determined on the basis of chemical equilibrium.
• The mass of an object remains constant at any place and is not affected by changes in altitude.
• The amount of matter in an object is called the mass of that object.

Question. If ammonia : gas, then camphor : ?

• gas
• Solid
• semi-solid
• liquid

Question. What is the mass of a substance per unit volume called?

• Mass
• Density
• matter
• energy

Question. Which of the following is a heterogeneous mixture?

• sugar solution in water
• Milk
• Wind
• Brass

Question. Which of the following is not the unit of Newton-meter?

• Force
• energy
• Work
• kinetic energy

Question. The temperature at which ice, water and vapor remain in equilibrium is called?

• freezing point
• triple point
• critical temperature
• boiling point

Question. If the mass of an object is 200N, find its mass. (g = 10ms 2 )

Question. Which of the following statement is wrong?

• Particles of matter are in a stationary state.
• The particles of matter are very small.
• Particles of matter attract each other.
• There are spaces between the particles of matter.

Question. Matter not included in the physical state of ordinary matter.

• colloid
• liquid
• Soil
• gaseous

Question. The third law of motion provides the relation between ……… and velocity.

• Force
• time
• Impulse
• Event

Question. The wind is a ……….

• pure mix
• mix of blends only
• only a mixture of elements
• mixture of both elements and compounds

Question. Which atom is not a sub atomic particle?

• genon
• neutron
• proton
• electron

Question. The weight of an object is 980N. If the acceleration due to gravity is 9.8 ms-2, find the mass of the object.

Question. What is the atomic number of sodium?

Question. On which part of the human eye is the image of an object formed?

• cornea
• iris
• pupil
• retina or retina

Question. Which of the following is more suitable for making the core of a transformer?

• soft iron
• Copper
• Nickel Stainless Steel
• Nickel

Question. A heterogeneous mixture in which the particles of the solute do not dissolve, but remain suspended throughout the medium, is called

• unsaturated solution
• colloid
• suspension
• saturated solution

Question. Which of the following metals has the highest electrical conductivity?

• Sleep
• silver
• As if
• copper

Question. Momentum has the same unit as . , , , , .key is

• Momentum moment
• torque
• force pair
• impulse

Question. Which of the following metals can be cut with a knife?

• sodium
• copper
• Platinum
• aluminum