Related InterviewSolutions

• Why should the resistance of an ideal voltmeter be infinite and of ideal ammeter be zero?A. low resistanceB. high resistanceC. infinite resistanceD. zero resistance
• When the elecrton in the hydrogen atom jupms from `2nd` orbit to 1st orbit, the wavelength of radiation emitted is `lambda`. When the electrons jupms from `3rd` orbit to `1st` orbit, the wavelength of emitted radiation would beA. `(27)/(32)lambda`B. `(32)/(27)lambda`C. `(2)/(3)lambda`D. `(3)/(2)lambda`
• The phase difference between displacement and acceleration of a particle performing S.H.M. isA. `(pi)/(2)` radB. `pi` radC. `2pi` radD. `(3pi)/(2)` rad
• What is the resolving power of a telescope of aperture 100 cm, for light of wavelength `5.5xx10^(-7)m`?A. `0.149xx10^(+7)`B. `1.49xx10^(+7)`C. `14.9xx10^(+7)`D. `149xx10^(+7)`
• The accuracy of a potentiometer can be easily increased byA. increasing resistance of wireB. decreasing resistance of wireC. increasing the length of wireD. decreasing the length of wire
• An open pipe resonates to a frequency `n_1` and closed pipe to a frequency `n_2`. If they are joined to form a longer closed pipes , then its fundamental frequency of resonance will beA. `(n_(1)n_(2))/(2n_(2)+n_(1))`B. `(2n_(2)n_(1))/(2n_(2)+n_(1))`C. `(2n_(2)n_(1))/(n_(1)+n_(2))`D. `(n_(2)+2n_(1))/(n_(1)n_(2))`
• The wavelength range of thermal radiation isA. from 4000 Å to 7000 ÅB. from 7700 Å to `4xx10^(6)Å`C. from `10^(6)Å` to `10^(8)Å`D. from `4xx10^(-12)Å` to `4xx10^(8)Å`
• निम्नलिखित वाक्यों को व्याकरण के नियमानुसार शुद्ध कर फिर से लिखिए : घर के अंदर-बाहर सब कुछ इनकी देखा-जाना होती है।
• निम्नलिखित वाक्यों का कोष्ठक में दिए हुए सूचना के अनुसार काल परिवर्तन कर वाक्य फिर से लिखिए : काम करने से भीतर की शक्ति जाग उठती है । (पूर्ण भूतकाल में बदलिए)
• We used to think seven generations ahead. Now we have become selfish Only thinking about me, myself and I Only thinking in the present, not learning from the past. We used to stroll barefoot through the overgrown grass. Its morming dew tickling our feet, Now we step outside onto the rugged concrete No more natural than the over processed food we eat We used to walk down the snow sprinkled trail. Do you think that the conrete jungle has degraded out environment ? Justify your answer .