Tag: science & technology

Questions Related to science & technology

What is the name of the method used to start a thread execution?
general knowledge science & technology

  1. init()

  2. start()

  3. run()

  4. resume()

Show answer
Correct Option: B

Which will contain the body of the thread?
general knowledge science & technology

  1. run()

  2. start()

  3. stop()

  4. main()

Show answer
Correct Option: A

Which class or interface defines the wait(), notify(),and notifyAll() methods?
general knowledge science & technology

  1. Object

  2. Thread

  3. Runnable

  4. Class

Show answer
Correct Option: A

Which method must be defined by a class implementing the java.lang.Runnable interface?
general knowledge science & technology

  1. void run()

  2. public void run()

  3. public void start()

  4. void run(int priority)

Show answer
Correct Option: B

What is the mass of the proton
general knowledge science & technology

  1. 9.11 x 10^-31 kg

  2. 1.6 x 10^-19 kg

  3. 1.6 x 10^ -27 kg

  4. none

Show answer
Correct Option: C

Which element is used as coolants in nuclear reactors
general knowledge science & technology

  1. hydrongen peroxide

  2. deuterium

  3. plutonium

  4. heavywater

Show answer
Correct Option: D

Moderators absorb
general knowledge science & technology

  1. excess electron

  2. excess proton

  3. excess neutron

  4. excess neutrino

Show answer
Correct Option: C

What is half-life period of radioactive carbon(C14)
general knowledge science & technology

  1. 14yrs

  2. 5730yrs

  3. 7yrs

  4. 100yrs

Show answer
Correct Option: B

Which bomb is more powerful
general knowledge science & technology

  1. Atom bomb

  2. Hydrogen Bomb

  3. Nuclear bomb

  4. All the above

Show answer
Correct Option: B

Elements with atomic number greater than what exihibit natural radioactivity
general knowledge science & technology

  1. 81

  2. 82

  3. 91

  4. 92

Show answer
Correct Option: B