Everyday Science

Deficiency of Vitamin-D results in
A. night blindness
B. rickets
C. scurvy
D. hair fall

The SI unit of “pressure” is
A. pascal
B. joule
C. tesla
D. henry

The most densest substance on the Earth is
A. Platinum
B. Copper
C. Steel
D. Osmium

A camera uses a __________ to form an image.
A. convex lens
B. concave lens
C. condenser lens
D. none of these

Which from the following is NOT a conductor?
A. Aluminium
B. Silicon
C. Graphite
D. All are conductors