LOADING

Question

Which of the following principles is used to concentrate sunlight in solar cookers?

A.

Rarefaction

B.

Evaporation

C.

Specular reflection

D.

Radiation

Answer ( Option C)

Specular reflection

Popular Online Test Serie

Preparing students for success in a changing World.

RPSC-AE

RPSC-AE

RSSB-JE

RSSB-JE

SSC-JE

SSC-JE

RRB-JE/SSE

RRB-JE/SSE

RSEB-JE/AE

RSEB-JE/AE

DRDO CEPTAM -10 (STA-B)

DRDO CEPTAM -10 (STA-B)

ISRO Scientist Engineer

ISRO Scientist Engineer

Online Classes

We care about our students

View More

SSC-JE / RRB-JE /PSUs लक्ष्य LIVE Batch Diploma

Total Videos: 250

Course Validity : 365 Days

₹5500.00₹37000.00 (85% Off)

Buy Now View Details
SSC-JE / RRB-JE /PSUs लक्ष्य LIVE Batch(B.Tech)

Total Videos: 250

Course Validity : 365 Days

₹6500.00₹37000.00 (82% Off)

Buy Now View Details
(Mechanical) RSSB JE / RSEB JE तेजस LIVE Practice

Total Videos: 150

Course Validity : 365 Days

₹1000.00₹6000.00 (83% Off)

Buy Now View Details
(Mechanical ) SSC-JE / RRB-JE /PSUs अग्नि batch

Total Videos: 150

Course Validity : 365 Days

₹1500.00₹6500.00 (76% Off)

Buy Now View Details
RSSB-JE (B.TECH) तेजस LIVE Practice Batch

Total Videos: 200

Course Validity : 365 Days

₹1500.00₹6000.00 (75% Off)

Buy Now View Details
(Electrical) RSEB JE / SSC-JE / RRB-JE तेजस LIVE

Total Videos: 200

Course Validity : 365 Days

₹1000.00₹6000.00 (83% Off)

Buy Now View Details

Online Classes

Test Series

Job Notification

Job Notification

Daily Quiz

RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's

Civil Engineering 13 Aug 2026 View All

Marks: 5

Question: 5

Duration: 5 Min

Watch Quiz Start Now
Electrical Engineering 13 Aug 2026 View All

Marks: 5

Question: 5

Duration: 5 Min

Watch Quiz Start Now
Mechanical Engineering 13 Aug 2026 View All

Marks: 5

Question: 5

Duration: 5 Min

Watch Quiz Start Now

Specialization	Actions