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WorksheetsAOPE_2024_22_11_2024
Total questions: 14
Worksheet time: 7mins
The 2014 Nobel Prize in Physics for inventing blue light-emitting diodes (LEDs) was awarded to
Pierre Agostini, Ferenc Krausz and Anne L’Huillier
David Baker, Demis Hassabis and John Jumper
Isamu Akasaki, Hiroshi Amano and Shuji Nakamura
John J. Hopfield and Geoffrey E. Hinton
In which of the given applications do you find the usage of UV LEDs
Long range illumination
Microbial Disinfection
Solar power generation
General-purpose Lighting
The term "Fibre Optics" was coined by
C.V. Raman
Charles Kuen Kao
Narinder Singh Kapani
Naginder Singh
Identify the best context, the given image was showcased to you in any of the workshop sessions
Laproscopy and Endroscopy
Fibre-optic monitoring system
Telecommunication
Reflection
Which of the following is the correct order of electromagnetic waves, from longest to shortest wavelength?
Radio waves, Microwaves, Infrared, Visible, Ultraviolet, X-rays, Gamma rays
Gamma rays, X-rays, Ultraviolet, Visible, Infrared, Microwaves, Radio waves
Microwaves, Radio waves, Infrared, Visible, Ultraviolet, X-rays, Gamma rays
Radio waves, Microwaves, Infrared, Visible, Ultraviolet, Gamma rays, X-rays
Which of the following is a characteristic of infrared radiation?
It can be felt as heat
It can cause sunburn
It is used in medical imaging techniques.
It is used in communication technologies like WiFi
What are the material properties on which refractive index depends? Identify the best option.
Permeability
Permittivity
Frequency
Permittivity and Permeability
Essential condition for perfect absorption is
Lattice Structure of materials
Frequency
Wavelength
Impedance matching
What is the combination that is used for commercial solid state lighting?
Blue LED + Yellow Phosphor
Yellow LED + Blue Phosphor
Green LED + Red Phosphor
Red LED + Green Phosphor
What is the efficacy of an LED?
200 lm/W
100 lm/W
70 lm/W
300 lm/W
Identify the correct method and its computer program implementation which is used to perform efficient electronic structure calculations and ab initio molecular dynamics simulations of molecules and solids.
SEESTA
SEISTA
SIESTA
SEISTE
The Kohn-Sham equations are a set of self-consistent equations used in density functional theory (DFT) to solve for the electronic structure of a system. Which of the following statements about the Kohn-Sham equations is incorrect?
The exact form of the exchange-correlation functional is known.
The Kohn-Sham orbitals are used to calculate the electron density.
They rely on the concept of a fictitious system of non-interacting electrons.
They involve solving a set of single-particle Schrödinger-like equations.
Which of the following uses OTRs for registering for Masters or PhD scholarship in India?
helpstudies.gov.in
scholarships.gov.in
studentscholarships.gov.in
Science and Engineering Research Board (SERB) was subsumed into what in February 2024
ISRO
ANRF
CSIR
NSP
