QuestionKart - Questions

cds- Question :

Statement I : Pulling a lawn roller is easier than pushing it.
Statement II : Pushing increases the apparent weight and hence the force of friction.

A :

Both the statement are individually true and statement 2 is the correct explanation of statement 1

B :

Both the statements are individually true but the statement 2 is not the correct explanation of statement 1

C :

statement 1 is true but its statement second is false

D :

the statement one is false but statement second is true

cds- Question :

which one of the following is not needed in nuclear fission reactor

A :

moderator

B :

coolant

C :

accelerator

D :

control device

cds- Question :

Creation of something from nothing is against the law of

A :

constant proportions

B :

conservation of mass-energy

C :

multiple proportions

D :

conservation of momentum

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