For the following questions answer them individually
Friction can be reduced by which of the following?
I. Polishing surfaces
II. Use of lubricants
III. Decreasing area of contact
When the speed of a moving object is halved, its ______.
The working principle of a mercury thermometer is ______.
What is storage size of commonly used floppy disks?
Which of the following is managed by operating system?
I. Memory
II. Processor
III. Input/Output devices
Which of the following is used for ripening of fruits?
What is the major component of Gobar Gas?
Which of the following is not a transition metal?
Which of the following is/are CORRECT?