Aray of light makes an angle of 10° with the horizontal above it and strikes a plane mirror which is inclined at an angle o to the horizontal. the angle o for which the reflected ray becomes vertical is (a) 40°. (b)50°. (c)80°. (d) 100°

wire in brush may conduct electricity from cell to drill and vice versa electrc shock possible

the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.