## Which bill passed by Punjab assembly on 02 March 2021 which will make Rescue 1122 an independent entity?

• (A) Rescue 1122 Bill
• (B) Punjab Emergency Services (Amendment) Bill
• (C) Punjab Rescue 1122 Bill
• (D) None of the above

• (A) V1=V2/2
• (B) V1=2V2
• (C) V1=4V2
• (D) V1=V2/4

## Specific heat of a substance A is greater than that of substance B. The masses are the same. If equal amount of energy is carried out by heat to both these substances, the one reaching the higher temperature (assuming no melting freezing or evaporation occur) is?

• (A) There will be no difference in the final temperature
• (B) Substance A
• (C) Substance B
• (D) Could be either A or B

## For coherence two light sources must have?

• (A) Same Wavelength and be in phase
• (B) Be in phase and have same wavelength
• (C) Be in phase, have same wavelength and same frequency
• (D) None of the above

• (A) 63.00µC
• (B) 6.30µC
• (C) 0.63µC
• (D) 0.063µC

## A truck of mass 750 Kg moving at 30 km/h hits a stationary dumpster of mass 1000 Kg. The two vehicles stick and move together after the collision. What is their speed?

• (A) 1.20 Km/h
• (B) 12.85 Km/h
• (C) 41.66 Km/h
• (D) Zero Km/h

## A car of mass 1000 Kg was brought to rest on a level road by braking and 500 KJ of heat were produced. Find the speed of the vehicle just before the brakes were applied?

• (A) 31.62 m/s
• (B) 63.24 m/s
• (C) 632.4 m/s
• (D) 22.36 m/s

• (A) A
• (B) A/2
• (C) 2A
• (D) 4A