Depending on the radiating properties, a body will be black when<br> (Where a = absorptivity, p = reflectivity, x = transmissivity.)

Depending on the radiating properties, a body will be black when (Where a = absorptivity, p = reflectivity, X = transmissivity.)

A

P = 0, x = 0 and a = 1

B

P= 1, T = 0 and a = 0

C

P = 0, x = 1 and a = 0

D

X = 0, a + p = 0

Depending on the radiating properties, a body will be white when (Where a = absorptivity, p = reflectivity, x = transmissivity)

A

P = 0, x = 0 and a = 1

B

P=1, T = 0 and a = 0

C

P = 0, x = 1 and a = 0

D

X = 0, a + p = 1

Depending on the radiating properties, body will be transparent when (Where a = absorptivity, p = reflectivity, x = transmissivity)

A

P = 0, x = 0 and a = 1

B

P=1, x = 0, and a = 0

C

P = 0, x= 1, and a = 0

D

X = 0, a + p = 1

Depending on the radiating properties, a body will be white when
(Where a = absorptivity, p = reflectivity, x = transmissivity)

A

p = 0, x = 0 and a = 1

B

p = 1, T = 0 and a = 0

C

p = 0, x = 1 and a = 0

D

x = 0, a + p = 1

Depending on the radiating properties, body will be transparent when
(Where a = absorptivity, p = reflectivity, x = transmissivity)

A

p = 0, x = 0 and a = 1

B

p = 1, x = 0 and a = 0

C

p = 0, x = 1 and a = 0

D

x = 0, a + p = 1

When α is absorptivity, ρ is reflectivity and τ is transmissivity, then for a diathermanous body,

A

α = 1, ρ = 0 and τ = 0

B

α = 0, ρ = 1 and τ = 0

C

α = 0, ρ = 0 and τ = 1

D

α + ρ = 1 and τ = 0

For an absolutely white or specular body- (where α = absorptivity, ρ = reflectivity, τ = transmissivity)

A

α = 1, ρ = 0 and τ = 0

B

ρ = 1 and α = τ = 0

C

τ = 1 and α = ρ = 0

D

α + τ = 1 and ρ = 0

When absorptivity (α) = 1, reflectivity (ρ) = 0 and transmissivity (τ) = 0, then the body is said to be a

A

Black body

B

Grey body

C

Opaque body

D

White body

Radiant energy with an intensity of 800 W/m2 strikes a flat plate normally. The absorptivity is thrice the reflectivity and twice the transmissivity. Determine the rate of transmission

A

155.47 W/m2

B

145.47 W/m2

C

135.47 W/m2

D

125.47 W/m2

Radiant energy with an intensity of 800 W/m2 strikes a flat plate normally. The absorptivity is thrice the reflectivity and twice the transmissivity. Determine the rate of reflection

A

518.20 W/m2

B

418.20 W/m2

C

318.20 W/m2

D

218.20 W/m2

Depending on the radiating properties, a body will be black when
(Where a = absorptivity, p = reflectivity, x = transmissivity.)

Related Questions

Depending on the radiating properties, a body will be black when (Where a = absorptivity, p = reflectivity, x = transmissivity.)

Related Questions

Depending on the radiating properties, a body will be black when
(Where a = absorptivity, p = reflectivity, x = transmissivity.)