A. Concave Mirror B. Concave lens C. Prism D. Convex lens Correct Answer: Option B - Concave lens
A. Positive charge means deficit electrons B. Negative charge means excess of electrons C. electric current means movement of electrons…
A. 30cm³ B. 40cm³ C. 50cm³ D. 20cm³ Correct Answer: Option D - 20cm³ Explanation Using boyle's law P1V1 =…
A. Sinθ B. Cosθ C. Tanθ D. 1/sinθ Correct Answer: Option D - 1/sinθ
A. wave in closed pipe B. radio waves C. water waves D. sound waves Correct Answer: Option B - radio…
A. 5.0A B. 3.7A C. 4.5A D. 4.0A Correct Answer: Option B Explanation V = IR from ohms law I…
A. N80.00 B. N45.36 C. N65.00 D. N57.12 Correct Answer: Option D - N57.12 Explanation Seven 40W lamps = 7…
A. Zener material B. P-n junction C. n-type D. p-type Correct Answer: Option C = n-type Explanation When silicon is…
A. 5 B. 4 C. 3 D. 2 Correct Answer: Option C - 3 Explanation When two mirrors are inclined…
A. diffusion B. osmosis C. capillarity D. surface tension Correct Answer: Option C - capillarity Explanation Capillarity is the tendency…