Physics SSC CGL 2018 PDF Download

Physics SSC CGL 2018 PDF Download

SSC CGL 2018 ( 4 June to 13 June 2019 )

Physics: – 17 Q’s

 

Q.1 Who founded and named the science of electromagnetism? 

विद्युतचुम्बकत्व के विज्ञान की खोज और नाम किसने दिया? (06 June 2019 Shift Mor)

1.  Michael Faraday

2. James Clerk

3. Hans Christian Oersted

4. Andre Marie Ampere

Correct Answer:- Andre Marie Ampere    आंद्रे मैरी एम्पीयर

Comment :- André-Marie Ampère, French physicist who founded and named the science of electrodynamics, now known as electromagnetism. His name endures in everyday life in the ampere, the unit for measuring electric current.

 

Q.2 TV remote controls work on the principle of ______________.

टीवी रिमोट कंट्रोल ______ के सिद्धांत पर काम करते हैं।  (06 June 2019 Shift Noon)

1. Ultrasonic waves

2. Laser technology

3. Bluetooth technology

4. Infrared waves

Correct answer:- Infrared waves       इन्फ्रारेड तरंगें

Comment :- Infrared light is in the invisible portion of the electromagnetic spectrum. An IR remote control (the transmitter) sends out pulses of infrared light that represent specific binary codes for controlling TV.

 

Q.3 J J Thomson received the Nobel Prize in Physics for the discovery of

जे जे थॉमसन की खोज के लिए भौतिकी में नोबेल पुरस्कार प्राप्त किया (04 June 2019 Shift Mor)

1. protons

2. electrons

3. neutrons

4. positrons

Correct Answer: – electrons    इलेक्ट्रॉन

Comment: – In 1897, J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged. In addition, he also studied positively charged particles in neon gas.

 

 

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