Himachal Pradesh Teacher Eligibility Test 2012 (Non-Medical)
“Braille” system is the most popular resource for –Visually Challenged persons The unit of time in MKS system is – Second Great bear, Orion, Leo-Major are the names of – Constellations Which lens would you prefer to use while reading small letters found in dictionary? – A convex lens of focal length 5 cm The change in focal… Read More »