NewDU admissions: build your CSAS preference list from last year's cutoffs →

Pricing
Mentors
DU Preference List

Log in Start freeStart free mocks→

First test, then trust

Your CUET seat starts with one free mock.

Join 5,00,000+ students who practised the real exam before the real exam. On the web and on Android.

Start free mocks →Get the Android app

India's #1 CUET Mock Test Platform. Original NCERT-based questions on the exact NTA exam screen — trusted by 5,00,000+ students since CUET 2022.

Get it onGoogle Play Scan to download the CUETMOCK app

Mock tests

CUET mock test series
Commerce mocks
Humanities (Arts) mocks
Science mocks
Languages & GAT mocks
Free practice questions
Pricing

Resources

CUET exam guide
CUET syllabus
Universities accepting CUET
Expert blogs
News & notifications
Webinars & counselling
DU preference list
CUET score calculator
FAQs

Company

About us
Our leadership & team
Our toppers
Mentors
For schools
Contact us
Terms
Privacy
Refund policy

Talk to us

+91 7696 6630 56 info@cuetmock.com WhatsApp us

Our other platforms

JEE Mock — For IIT-JEE aspirants
NEET Mock — For NEET aspirants

Newsletter

Exam updates, study material and offers — no spam.

Email address

© 2026 NYC Ventures Pvt. Ltd.

701-702, Royal Business Park, Zirakpur, Punjab - 140603

Terms of use
Privacy policy
Refund policy
Contact us

CUETMOCK is an independent preparation platform, not affiliated with the National Testing Agency (NTA). Always check exam details on the official NTA website.

CUETMOCK

Home/Practice questions/Physics

PhysicsRay Optics

Optical fibres are based on which phenomenon ?

Optical fibres are based on which phenomenon ?

Answer & explanation+

Correct answer: option 1

Optical fibers is an application of TIR.

Advertisement

Practise more on Ray Optics

Chapter-wise mocks on the real NTA exam screen, with solutions and your rank. Your first mocks are free.

Start free mocks →

Next questions

BEGK is related to ADFJ is the same way as PSVY is related to __________?General Aptitude Test · Verbal Reasoning
Choose the word that is opposite in meaning to the given word. VainEnglish · Antonyms
The Brahmanas regarded rulers like the Shakas, who originated from Central Asia, as what?History · Ancient India: Kinship, Caste and Class
The scope a company is determined by certain documents as any work done beyond what is stated in these documents can lead to winding up of…Entrepreneurship · Entrepreneurial Planning
Reaction of Phenol with conc. HNO_3 givesChemistry · Organic: Alcohols, Phenols and Ethers
Name the artist who painted 'Radhika'?Fine Arts · The Bengal School and Cultural Nationalism
Statement I: Volume of the nucleus is proportional to a where A is mass number. Statement II: Density of nucleus is independent of mass num…Physics · Nuclei
What will be the impact of the depreciation of the domestic currencies of the South East Asian Countries?Economics · Macro Economics: Open Economy Macro Economics
David Warner played for which team in IPL 2022?General Aptitude Test · General Knowledge
In which of the following state the percentage of Scheduled Tribe population to its total population highest as per 2011 census?General Aptitude Test · General Knowledge