A. 82.50 cm B. 68.18cm C. 15.90cm D. 11.95cm Correct Answer: Option B B. 68.18cm
A. effective resistance of the circuit is halved B. total power dissipated is doubled C. total current in the circuit…
A. electric charges evaporate from the surface of the conductor B. charges are connected to the earth C. charges on…
A. a gravitational force acting on it B. a uniform velocity C. an acceleration D. a centripetal force acting on…
A. beats B. doppler effect C. acoustic resonance D. echo Correct Answer: Option A A. beats
A. diffraction B. interference C. reflection D. refraction Correct Answer: Option A A. diffraction
A. light waves B. sound waves C. sea waves D. radio waves Correct Answer: Option B B. sound waves
A. 30s‾¹ B. 10s‾¹ C. 3s‾¹ D. 1s‾¹ Correct Answer: Option C C. 3s‾¹ Explanation F = v/λ=30/10=3s‾¹
A. amplitude B. frequency C. period D. wavelength Correct Answer: Option A A. amplitude
i. Exposed surface area ii Temperature of the surroundings iii. Thermal capacity of the liquid iv. Relative humidity of the…