The work function for aluminium surface 4.2 eV and that for
sodium surface is 2.0 eV. The two metal surfaces are
illuminated by suitable radiations so as to cause photo
emission. We observe that.
(1) Both A1 and Na will have the same threshold frequency
(2) The threshold frequency of A1 > that of NA
(3) The threshold frequency of Na > that of Al
(4) The threshold wavelength of Al > that of Na
Srinidhi Varadarajan was in the news recently. He is associated with 1 Convergence technologies 2 Bio informatics 3 Creation of world’s third fastest Super Computer 4 Japanese Earth Simulator
i have cleard sbi clerical exam plz send some frequently asked interview questions.
3 Answers Indian Overseas Bank, State Bank Of India SBI,
?Sejm? is the Parliament of: (a) Holland (b) Poland (c) Yugoslavia (d) Greece
Who propounded the possibility of placing communication satellites in geosynchronous orbit for the first time? (a) Edwin P. Hubble (b) William Herschel (c) Arthur C. Clarke (d) Pierre Laplace
What is the national game of the USA? (a) Cricket (b) Soccer (c) Baseball (d) Billiards
With whom is ?Junagarh Rock Inscription? associated? (a) Rudradaman (b) Bimbisara (c) Chandragupta II (d) Gautamiputra Satakarni
When can the Speaker exercise his right to vote in the House? (a) Whenever the House desires (b) Whenever he desires (c) Only in the event of equality of vote (d) Whenever his part directs
. In Microhyza (a) Virus and fungi are present (b) Virus and algae are present (c) Algae is present (d) Algae and fungi are present
Which one among the Indian States is the major producer of mica? (1) Andhra Pradesh (2) Bihar (3) Madhya Pradesh (4) Orissa
Lord Rippon is best known for (a) His pro-Indian attitude (b) Local self-government (c) Land revenue policy (d) Educational reforms
One of the Worls?s biggest gas reserves was recently found in 1 Bombay High 2 Krishna-Godavari Basin 3 Rajasthan 4 None of the above
India’s National Dairy Research Institute’ is locate in 1 Ahmedabad 2 Karnal 3 Hyderabad 4 Lucknow