RRB Group D Exam 2022 Physics And Chemistry Practice Set 38: Must read these questions before appearing for Group D exam

RRB Group D Exam 2022 Physics And Chemistry Practice Set 38 : 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.

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RRB Group D Exam 2022 Physics And Chemistry Practice Set 38

Question. A porter lifts 20 kg from the ground. picks up his luggage and keeps it on his head 2 meters from the ground. Calculate the work done by him on the goods. (g = 10ms 2 )

Question. Which of the following particles have a positive charge?

• neutron
• electron
• proton
• Thank you

Question. What is the amount of work done when an object is moved by the IN force at a distance of 1 meter in the direction of the force?

Question. ……..a pure substance is-

• sugar paste
• Milk
• methane
• Wind

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Question. The work done by a passenger standing on a platform by lifting a suitcase weighing 10 kg is

Question. Which of the following is called washing soda?

• sodium carbonate
• calcium oxide
• potassium aluminum sulfate
• sodium bicarbonate

Question. For what reason does the person present inside the water seem to be at a higher height than the actual position above the surface of the water?

• due to refraction of light
• due to reflection of light
• due to interference of light
• due to diffraction of light

Descend : 1

Question. Which of the following substances is magnetic?

• quartz
• bismuth
• Nickel
• Domain

Question. What is the formula of hydrochloric acid?

• H₂SO₄
• HNO₃
• HCl
• HPO₄

Question. Due to which property a stick dipped in a vessel full of water appears to be bent?

• reflection
• refraction
• Newton’s law of motion
• buoyancy

Question. Groups of the Modern Periodic Table. , , , , , , , , , An element with electronic configuration of 2,8,6 is placed in

Question. Which hypothesis does the first law of thermodynamics confirm?

• Energy Conservation
• job protection
• heat protection
• none of these

Question. Elements belonging to the ……….. group are known as “D” block elements.

• 1 and 2
• 3 and 12
• 3 to 10
• 13 to 18

Question. Which of the following has the upper limit of the audio range?

• in hell
• in dogs
• in bats
• in humans

Question. The function of thermostat in refrigerator is-

• reduce the temperature
• increase the freezing temperature
• maintain the same temperature
• decrease melting point

Question. Ordinary glass is a mixture of which of the following?

• calcium silicate
• sodium silicate
• silica
• all of the above

Question. What angle does the axis of a freely hanging magnet needle make with the geographic axis?

Question. Which of the following gas is filled in a balloon?

• organ
• neon
• helium

Question. If the weight of an object is 60 Newton, then what will be the mass of that object? ( g = 10 m/s )

• 6 kg
• 8 kg
• 10 kg
• 9 kg

Question. The chemical name of the hypo solution used in photography is

• silver bromide
• calcium carbonate
• sodium thiosulfate
• sodium silicate

Question. Why are clear nights cooler than cloudy nights?

• disposition
• precipitation
• condensation

Question. Which of the following types of lenses can be used to correct the defect of myopia?

• Ambiguous
• Convex
• Flat
• concave

Question. When the image of an object is made larger, virtual and erect than the object through a convex lens, then the object is situated at ……….

• between F₁ and O
• at 2 F₁
• on F₁
• at infinity

Question. Which of the following instruments is used to detect and measure small electric currents?

• ammeter
• fluxmeter
• galvanometer
• voltmeter