2481. A camera uses a _____ to form an image.
✅ B. convex lens
Author: Aurangzeb – Page 125
2482. Humans can hear in the range of ______ to __Hertz (Hz).?
✅ A. 20 Hz to 20,000 Hz.
2483. Water vapour beyond the dew point result in____?
✅ C. Condensation
2484. If I had helped him, he __drowned.
✅ D. would not have
2485. Nearest galaxy to our milky way is ___?
✅ A. Andromeda
2486. Sunlight is made of_____colours?
✅
2487. The major part of natural gas, petroleum and coal consists of?
✅ D. Methane
2488. Approximate age of sun is ____?
✅ C. 4.6 billion years
2489. What “Enrico Fermi” invented?
✅ D. Nuclear reactor
2490. Vitamin C deficiency leads to:_______?
✅ B. Scurvy