CONCRETE TECHNOLOGY AND DESIGN OF CONCRETE STRUCTURES QUIZ

Emits power of every wave length

Is a diffuse emitter

All listed here

Absorbs all the radiations of every wave lengths

The visible light as carrier with frequency of the order of 5 × 1014 Hz

High frequency radio waves

Propagation of modulated light waves

Propagation of infrared radiation

None of these

Spectral variation

Temporal variation

Spatial variation

h = (H/B) dp

h = dp/(H/B)

h = dp/(B/H)

h = (B/H) dp

Electronic clocks

Mechanical clocks

Atomic clocks

Quartz clocks

Four ground stations

Five ground stations

Three ground stations

Six ground stations

None of these

Inversely proportional to the bandwidth

Directly proportional to the bandwidth

The square of the bandwidth

Altitude

All of these

Orbit drift

Altitude variation

0.4 - 0.7 μm

0.5 mm to 1 μm

0.7 to 14 μm

0.7 - 1.3 μm

C = vλ

C = v + λ

C = λ/v

C = 1/λv