Questions

The number of electron levels in a magnesium atom is

What determines the mass number of an element?

Four statements are given below at A, B, C and D. There may be some errors in the given statement(s). The incorrect statement is your answer.

Percentage of freshwater on earth surface

What is the minimum distance (in metres) required to hear an echo?

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Obscene

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

Which error are you likely to get when you run the following program?

main()

{

  struct emp

  {

      char name[20];

      float sal;

  };

  struct emp e[10];

  int i;

  for ( i = 0 ; i <= 9; i++)

        scanf ( "%s %f" , e[i].name, &e[i].sal );

}