Vacuum tubes have been replaced by__________?

Related Mcqs:

1. Heat exchanger tubes are never made of:

   A. Plain Carbon Steel
   B. Stainless Steel
   C. Lead
   D. Copper

   Submitted by: Muhammad Mutsadiq Umer

2. Which of the following waves have smallest velocity in vacuum?

   A. Ultraviolet
   B. Sound
   C. Infra-Red
   D. Micro

   Submitted by: Malik Asghar Hussain

3. Which amongst the following cannot pass through vacuum?

   A. Light
   B. Radiation
   C. Sound
   D. None of These

   Submitted by: Salman Farooq

4. Gulf streams are caused by__________.

   A. Cyclones
   B. Ocean Pressure
   C. Temperature
   D. Difference in water level

   Submitted by: WIQAR AHMAD

5. Telephone was invented by__________?

   A. Vint Cerf
   B. Charles Babbage
   C. Edison
   D. Alexander Graham Bell

   Submitted by: Jawaid Ahmed

6. Analytical solutions to Quadratic equations were introduced by__________?

   A. Al-Khawarzimi
   B. Al-haitham
   C. IsasacNewton
   D. Pythagoras

   Submitted by: SHAFQAT ALI SIYAL

7. Vitamins were discovered by__________?

   A. Moesley
   B. Chadwick
   C. Frank Whittle
   D. Casimir Funk

   Submitted by: Farhan Rana

8. Medium sized kidney stones are removed by__________?

   A. Dialysis
   B. Lithotripsy
   C. Excretion
   D. Laser

   Submitted by: Rashid Mehmood

9. Water soluble vitamins are released by__________?

   A. Sweat
   B. Tears
   C. Injections
   D. Urine

   Submitted by: Name

10. The Blood Grouping Was Discovered by__________ ?

    A. Robert Oppenheimer
    B. Karl Landsteiner
    C. Dr Hollerith
    D. None of them

    Submitted by: Furqan Pirzada