| A rod AB of length 50 cm is held horizontally with B to the east of A. It is rotated about a vertical axis through an angle of 37° northward. It is then rotated in a vertical plane to position where the angle with the vertical is 53°. Eastward distance between A and B is |
| A) 32 cm | B) 40 cm | C) 24 cm | D) 18 cm |
| A rod AB of length 50 cm is held vertically with A at the lower end. It is then rotated to make an angle of 53° with the vertical. Northward distance of B from A is |
| A) 40 cm | B) 30 cm | C) 20 cm | D) any of these |
| A rod AB of length 50 cm is held vertically with A at the lower end. It is rotated in a vertical plane about an axis through A so that the end B to the east of vertical. If vertical distance between A and B is 30 cm, horizontal distance between them is |
| A) 40 cm | B) 30 cm | C) 20 cm | D) any of these |
| A rod AB of length 50 cm is held vertically with A at the lower end. It is turned in a vertical plane towards north east by 53°. Eastward distance between A and B is |
| A) 40√2 cm | B) 30√2 cm | C) 20 √2 cm | D) any of these |
| A place on the earth has latitude of 60°. Distance of this place from the axis of the earth is |
| A) R | B) R/2 | C) √3R/2 | D) any of these |