A. Scatters blue light
B. Reflects blue light
C. Transmits blue light
D. Has actual blue cover
A. Herodotus
B. Thales of Miletus
C. Eratosthenes
D. Plato
A. Rolling to sliding
B. Sliding to rolling
C. Dynamic to static
D. Potential energy to kinetic energy
A. 2
B. 3
C. 4
D. 5
Earth’s atmosphere is divided into five main layers: the exosphere, the thermosphere, the mesosphere, the stratosphere and the troposphere.
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods
A. Current
B. Lens
C. Force
D. Focal Length
A dioptre is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres. (1 dioptre = 1 m−1.) It is thus a unit of reciprocal length.
The property by virtue of which metals can be beaten into thin sheets is known as?
A. Ductility
B. Malleability
C. Conductivity
D. Density