Diamond ring is a phenomenon observed: (a) at the start of a total solar eclipse

Solar cookers have limited utility at places which remain cloudy or have longer winters; e.g., hilly areas. Advantages of using a solar cooker: (l) It cooks food without causing;any kind of pollution. (ii)...

(a) Solar energy into heal: Solar cooker. (b) Solar energy into electricity: Solar cell.

Box-type solar cooker Spherical reflector type solar cooker 1. Plane mirror is used as a reflector. 2. It does not concentrate solar energy at a point. 3. Cornparativeiv low temperature is produced in it. 4. It is used to...

Solar cell panel comprises of a large number of solar cells and can provide a much higher power for many uses. Two materials used for making solar cell are Gallium...

Solar cell is a device that converts solar energy into electricity. Since the output of a single solar cell is quite small, a large number of solar cells are combined...

(c) both particle and wave phenomenon. EXPLANATION:    The photoelectric effect shows it as a particle phenomenon while the interference and diffraction of light shows it as a wave phenomenon. Hence duel...

(a) 1.5 × 1010 cm/sec

(c) Diamond ring is observed during solar eclipse, only along the peripheral regions of the totality trail.

(b) 7 minutes 40 seconds 

(a) The size of the shadow of the moon on the earth is small as compared to the cross section of the earth