GL Practice

To open a drawer which force is applied, push or pull?

• 
  

  Push

• Pull

• Both of them

• None of these.

Which factor primarily contributes to the difficulty of pushing a bus compared to pushing a bike?

• The bus has greater mass and inertia.

• The bus is larger in size.

• The bus has more wheels.

• The bike has a more complex structure.

SI unit of Force is _____.

• Candela

• Joules

• Farad

• Newton

What must be done to prevent generation of static charges on a rubber?

• conductive dressing must be done

• the surface can be made moistened

• oil compounded covering can be done

• the powder can be sprayed on surface

The stationary electric charge has _______ and the moving electric charge has ________.

• Magnetic field lines, Electric field lines

• Electric field lines, Magnetic and electric field lines

• 
  

  Electric field lines, Electric field lines

• Magnetic field lines, Magnetic field lines

The angle of reflection lies between

• Angle between incident ray and normal

• Angle between reflected ray and normal

• Angle between reflecting surface and normal

• 
  

  None of these

An object is placed 60 cm from a plane mirror. The mirror is moved 10 cm towards the object. The distance between the original image and final image is

• 5 cm

• 10 cm

• 15 cm

• 20 cm

The angle of incidence lies between

• 
  

  Angle between incident ray and normal

• Angle between reflected ray and normal

• Angle between reflecting surface and normal

• None of these

The object which completely obstructs the path of light and doesn't let light pass through it is called

• transparent

• opaque

• translucent

• None of these

What type of energy transfer is primarily responsible for the increase in temperature of an object?

• Conduction

• Convection

• Radiation

• Advection