The strength of force is represented by its.
a) Mass
b) Weight
c) Magnitude
d) Direction
Explanation: The strength of a force is expressed by its magnitude. The magnitude of a force is expressed in the SI unit of force called Newton. One Newton is the force which can make an object of one kilogram mass to move at a speed of one meter per second.
When the object is placed between F and 2F of convex lens the image will be:
a) Real, inverted and smaller in size
b) Real, inverted and larger in size
c) Real, inverted and equal in size
d) Virtual, erect and magnified
Instrument that is used to measure small length with more accuracy is:
a) Measuring tape
b) Screw gauge
c) Meter Scale
d) Ruler
Average, marks of a student can be calculated
in the way as we calculate __
a) Arithmetic Mean
b) Geometric Mean
c) Standard deviation
d) Harmonic Mean
Being a teacher if a student of your classroom comes late then you must:
a) Ignore him
b) Call his parents
c) Punish him
d) Try to find the reason
Who becomes oldest person ever to be elected as US president U.S history?
a) Donald Trump
b) Ronald Reagan
c) Joe Biden
d) G. W. Bush
Explanation: Joe Biden is an American politician who was the 46th president of the United States.
