Advertisements
Advertisements
प्रश्न
Which electric bulb is required for the observation?
विकल्प
A clear glass electric bulb with a straight, thin filament
A clear glass electric bulb with a red colour filter
A clear glass electric bulb with a narrow, uniform slit
A clear glass electric bulb with a blue colour filter
MCQ
Advertisements
उत्तर
The bulb must have a clear glass enclosure and a straight, thin filament. The filament is viewed through the slit.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
