When an object is nearer to the source of light, it will cast a ________________ shadow.
✘ short
✔ bigger
✘ round
✘ curved
_______________ is a luminous body.
✘ Plants
✘ Books
✔ Star
✘ Moon
_____________________ force opposes motion.
✘ Gravitational
✘ Magnetic
✔ Frictional
✘ Mechanical
Shadow will appear shortest at _______________________.
✔ noon
✘ Morning
✘ Evening
✘ Afternoon
Amit was cycling to meet his grandmother who lived on a hill. Atul had to cycle harder while going to his grandmother’s home, but he came back rather comfortably. Which of the following options correctly explains this?
✘ Force of friction is lower in uphill direction.
✘ Force of friction is higher in downhill direction.
✔ Gravity resists the uphill movement.
✘ Gravity resists the downhill movement.
Which form of energy enables us to see an object?
✘ Sound energy
✘ Chemical energy
✔ Light energy
✘ Mechanical energy
Electrical appliances and switches should be only tested with
✘ wet hands
✘ screw
✘ Knife
✔ tester
We slip on wet floor because the _________________ force is reduced.
✘ Gravitational
✔ Frictional
✘ Pulling
✘ Pushing
Select the INCORRECT statement regarding force.
✘ Force can move an object
✔ Force can’t stop a moving object
✘ Force can change the shape of an object
✘ Both (A) and (C)
We skid when the grooves on soles of our shoes are reduced. These grooves enhance _____________ between surface and shoes.
✔ Frictional force
✘ Gravitational force
✘ Pulling force
✘ Pushing force
Which of the following actions/activities are done against gravity?
✘ 1 and 2
✔ 3 and 4
✘ 2, 3 and 4
✘ 1,2,3, and 4
Mr. X stands on the field and sees his shadow falls towards the east. What is the position of the sun at the moment?
✘ East
✔ West
✘ North
✘ South
The given diagram shows the length of the shadow as half the height of the objects.
Find the height of the coconut tree.
✘ 10 feet
✘ 12 feet
✘ 16 feet
✔ 18 feet
_____________ force is also called opposing force.
✔ Gravitational force
✘ Frictional Force
✘ Muscular force
✘ Electrostatic force
Mirror is __________.
✘ Transparent object
✘ Translucent Object
✔ Opaque Object
✘ None of the above
Shadow is formed in case of
✘ Transparent object
✘ Translucent Object
✘ Opaque Object
✔ Both B and C
We can produce electricity using
✔ a
✘ b
✘ c
✘ d
Hydro electricity is produced from
✘ water
✔ water which falls from a great height.
✘ rivers
✘ all of these
Gravity of moon is ________ to gravity of Earth
✘ 1/4th
✘ 1/3rd
✔ 1/6th
✘ 1/5th
_________ is an example of translucent object.
✘ Air
✔ Fog
✘ Mirror
✘ Clear plastic
North pole of a magnet is attracted to
Add description here!
✘ North pole
✘ East pole
✘ West Pole
✔ South Pole
Rough surface increases the amount of
✘ Gravitational force
✘ Muscular force
✔ Frictional Force
✘ Electrostatic force
_________ increases the lubrication on the dry surface
✘ wood
✘ paper
✔ water
✘ Heat
Which of the following is a source of light?
✘ A
✘ B
✘ C
✔ D
Heater, oven and hair dryer produce _______, whereas flute and whistle produce _______.
Add description here!
✘ light; heat
✘ heat; light
✔ heat; sound
✘ sound; heat
One morning after sunrise, Gopal was standing facing a pole. The shadow of the pole fell exactly to his right. Which direction was he facing?
✘ East
✘ West
✔ South
✘ North
Force is very useful. We apply force to ____________.
✘ See things around us
✘ Read Books
✔ Change the shape of an object
✘ Listen to pleasant sounds
A watch reads 4.30. If the minute hand points East, in what direction will the hour hand point?
