What is the wavelength band for TV rays? Options: A . &nbsp1 * 10³ to 34 * 10¹⁰ micron meter B . &nbsp1 * 10³ to 2 * 10 ¹⁰ micron meter C . &nbsp1 * 10³ to 3 * 10¹⁰ micron meter D . &nbsp1 * 10³ to 56 * 10¹⁰ micron meter

What is the wavelength band for TV rays?

Question

What is the wavelength band for TV rays?

Options:

A . 1 * 10³ to 34 * 10¹⁰ micron meter

B . 1 * 10³ to 2 * 10 ¹⁰ micron meter

C . 1 * 10³ to 3 * 10¹⁰ micron meter

D . 1 * 10³ to 56 * 10¹⁰ micron meter

Answer: Option B
Answer: (b).1 * 10³ to 2 * 10 ¹⁰ micron meter

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Question 1. Diagram shows transient heat conduction in an infinite plane wall. Identify the correct boundary condition in transient ....condition in transient heat conduction in solids with finite conduction.

Question 2. Let there is some conduction resistance, then temperature becomes a function of (i) Biot number (ii)Fourier number (iii)....function of (i) Biot number (ii)Fourier number (iii) Dimensionless parameter Identify the correct statement

Question 3. A large steel plate 50 mm thick is initially at a uniform temperature of 425 degree Celsius. It is suddenly exposed on b....= 42.5 W/m K and thermal diffusivity = 0.043 m²/hr

Question 4. “When Biot number exceeds 0.1 but is less than 100, use is made of Heislers charts for the solution of transient heat ....the solution of transient heat conduction”. Choose the correct answer

Question 5. A 12 cm diameter cylindrical bar, initially at a uniform temperature of 40 degree Celsius, is placed in a medium at 650 ....W/m K Density = 580 kg/m³ Specific heat = 1050 J/kg K

Question 6. “A solid which extend itself infinitely in all directions of space is termed as finite solid”. Choose the correct an....space is termed as finite solid”. Choose the correct answer

Question 7. During heat treatment, cylindrical pieces of 25 mm diameter, 30 mm height and at 30 degree Celsius are placed in a furna..../m³ Specific heat = 480 J/kg K Conductivity = 40 W/m degree

Question 8. The quantity h L C/k is known as....

Question 9. Identify the correct relation between Biot number and Fourier number....

Question 10. Fourier number is given by....

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