Correct answer
B. Electromagnetic waves
Explanation
The correct answer is Electromagnetic waves.
As compared to ordinary portland cement, high alumina cement has________?
Which of the following types of soil is transported by gravitational forces?
If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and 1400 kg/cm2 respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is________?
The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be________?
Excess of alumina in brick earth makes the brick________?
The background colour of the informatory sign board is________?