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Round No 4 - Science & Technology

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which of the following has the highest Ionization power that have approximately four times the mass of a proton & neutron and nearly 8000 times the mass of a beta particle?

1. X-rays

2. Alpha rays

3. Beta rays

4. Gamma rays

a)

X-rays

b)

Alpha rays

c)

Beta rays

d)

Gamma rays

2.

In which country was the first nuclear meltdown happened on 1952 where the future US president Jimmy Carter was involved in clean up at that era?

a)

Chernobyl

b)

Fukshima

c)

At Chalk River Labs

d)

Near idaho falls idaho

3.

Maliandou is a village that tucked into the force of southeastern guinea. Who was the first victim of Ebola in 2013 December?

1.

2. Bola

3. Emil

4. Laurie

a)

Amara Konneh

b)

Bola

c)

Emil

d)

Laurie

4.

What engine was used in Booster 7 of Starship test flight that happened recently?

a)

Raptor 2.0

b)

Raptor Vaccum

c)

Rocketdyne F-1

d)

RS 25

5.

Two aircraft manufacturing companies competed two of the most popular fighter jets in 2001 joint strike programme. Witch of the following selections represents those two?

a)

Boeing X-32 and Lockheed and Martin F-35 lightning II

b)

Boeing 747 and Airbus A380

c)

Lockheed Martin F-117 Nighthawk and Northrop Grumman B2 spirit

d)

McDonald Douglas F 15 and Lockheed Martin f22 raptor

6.

Who built the first working, programmable electro mechanical computer?

a)

Konrad Zuse

b)

Laszlo Jozsef Biro

c)

Brandenburg

d)

Karl Benz

7.

What is the place where James Webb space telescope stationed is called?

a)

L1 point

b)

L2 point

c)

L3 point

d)

L4 point

8.

What is used to deconstruct waveforms which is a function of time, into smaller waveforms that make up the initial waveform?

a)

Fourier transform

b)

Pythagorean theorem

c)

Einstines mass-energy

relation

d)

The Schrödinger equation

9.

The China's first large,domestically produced passenger jet flies on its first commercial flight on 28th of May 2023.What is it's trajectory?

a)

Shanhai to Beijing

b)

Beijing to Wuhan

c)

Beijing to Hangzhou

d)

Shenzhen to Yunnan

10.

A Sri Lankan scientist invent the world's first super conductor at room temperature?Name the scientist and his working university?

a)

Mohan Munasinghe(University of Cambridge)

b)

Sarath Gunapala(University of Pittsburgh)

c)

Ranga Dias(University of Rochester)

d)

Malik Pieris(University of Oxford)