A. Light waves
B. Heat waves
C. Microwaves
D. γ-rays
Related Mcqs:
- Electromagnetic waves travel in free space with the speed of___________________?
A. λ-rays
B. Positive rays
C. Cathode rays
D. More than sound waves - The direction of propagation of an electromagnetic waves is________________?
A. Perpendicular to electric field
B. Perpendicular to both electric and magnetic field
C. Perpendicular to magnetic field
D. Parallel to electric and magnetic field - Electromagnetic waves transport___________________?
A. Energy
B. Momentum
C. Mass
D. Heat - Electromagnetic waves emitted from antenna are________________?
A. Stationary
B. Longitudinal
C. Transverse
D. All the above - An electromagnetic wave consists of _____________________?
A. Electric and magnetic fields moving parallel to each other
B. Magnetic field moving with velocity of light in space
C. Electric field moving with velocity of light
D. Electric and magnetic fields moving perpendicular to each other - Field particle of Electromagnetic interaction is _________?
A. Photon
B. Meson
C. Vector Boson
D. GravitonSubmitted by: Sadi Ahmed
- Why gamma rays are used to kill bacteria to sterilize surgical equipment etc ?
A. Chargeless
B. Massless
C. Highly penetrating
D. All of above - Which of the following will be a better shield against gamma rays ?
A. Ordinary water
B. Heavy water
C. Lead
D. Aluminum - A point where the incident parallel rays of light converge or appear to diverge after passing through a lens is called______________?
A. center of curvature
B. focus
C. optical center
D. aperture - Which one of the following of glass can cut ultraviolet rays?
A. Jena Glass
B. Soda Glass
C. Pyrex Glass
D. Crookes GlassSubmitted by: Parvez Malik
