Which of the following projector technologies uses tiny mirrors to reflect light, which produces crisp, bright, colourful images that remain in focus and can be seen clearly even in a well-lit room?a.LCDb.HTTc.U-HDTVd.DLP

Which type of reflecting telescope loses the most light because of its multiple mirrors design? [Hint: this design is commonly used in huge observatory telescopes]Group of answer choicesPrime focusNewtonian focusCassegrain focusNasmyth focus

Which renewable energy technology relies on the use of mirrors or lenses to concentrate sunlight onto a small area for electricity generation?*a) Solar photovoltaic (PV)b) Solar thermalc) Concentrated solar power (CSP)d) Solar passive

Which type of mirror is BEST to use in order to observe the full-length image of a distant tall building?*1 pointa plane mirrora convex mirrora concave mirrorboth concave as well as plane mirror

Can we obtain the image formed by a plane mirror on a screen? Explain withsuitable reasons

A hand- made projector employs a concave mirror to project an image onto a screen. If an object with a height of 4 cm is positioned 15 cm in front of the concave mirror with focal length 10 cm, at what distance should the screen be located to capture a sharp image and also calculate the height of the image formed on the screen.30 cm and 8 cm respectively30 cm and 6 cm respectively15 cm and 8 cm respectively15 cm and 6 cm respectively