A. Rene Laennec
B. Steven Sasson
C. Martin Cooper
D. Dave Hyatt
Submitted by: Rashid Mehmood
The stethoscope was invented in France in 1816 by René Laennec at the Necker-Enfants Malades Hospital in Paris. It consisted of a wooden tube and was monaural. Laennec invented the stethoscope because he was not comfortable placing his ear directly onto a woman’s chest to listen to her heart.
A. Charles Goodbye
B. steward Harshone
C. Walter Hunt
D. A.Rose
Submitted by: Abdul Aziz Khan
A. Philips
B. Robert
C. Edison
D. Willium
Submitted by: Aftab Ali
A. Vint Cerf
B. Charles Babbage
C. Edison
D. Alexander Graham Bell
Submitted by: Jawaid Ahmed
A. John Napier
B. John Doe
C. John Harrison
D. John Douglas
Submitted by: ABDUL HAYEE
A. Davy
B. Montgolfier
C. Edison
D. Jarvik
Submitted by: Asad Ullah Afridi
A. Al-khawarzimi
B. Pythagoras
C. IsaaC Newton
D. Al.kindi
Submitted by: SHAFQAT ALI SIYAL
A. 1900s
B. 1860s
C. 1870s
D. 1850s
Submitted by: Rashid Mehmood
A. X ray machine
B. Betatron
C. Cyclotron
D. Nuclear reactor
Submitted by: Rashid Mehmood
A. Robert Fulton
B. Nikola Tesla
C. Martin Cooper
D. John Harrison
Submitted by: Munwar Ali Sohu
A. Arthur Schimit
B. Alfered Nobel
C. Skaats Wheeler
D. None of these
Submitted by: Haziq
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